Home / 271,976.73-407,965.02-84,988.23

Finding the Fourth Proportional to 271,976.73, 407,965.02 and 84,988.23

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Solution

The fourth proportional to 271,976.73, 407,965.02 and 84,988.23 is: 127,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,976.73 : 407,965.02 = 84,988.23 : x
  2. Step 2: Convert to fraction form
    271,976.73/407,965.02 = 84,988.23/x
  3. Step 3: Cross multiply
    271,976.73x = 407,965.02 × 84,988.23
  4. Step 4: Simplify right side
    271,976.73x = 34,672,224,951.71
  5. Step 5: Solve for x
    x = 34,672,224,951.71/271,976.73
  6. Step 6: Final answer
    x = 127,482.32

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.