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Finding the Fourth Proportional to 271,975.73, 407,963.52 and 84,987.23

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Solution

The fourth proportional to 271,975.73, 407,963.52 and 84,987.23 is: 127,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,975.73 : 407,963.52 = 84,987.23 : x
  2. Step 2: Convert to fraction form
    271,975.73/407,963.52 = 84,987.23/x
  3. Step 3: Cross multiply
    271,975.73x = 407,963.52 × 84,987.23
  4. Step 4: Simplify right side
    271,975.73x = 34,671,689,505.85
  5. Step 5: Solve for x
    x = 34,671,689,505.85/271,975.73
  6. Step 6: Final answer
    x = 127,480.82

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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.