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Finding the Fourth Proportional to 556,165.80, 834,248.70 and 303,348.60

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Solution

The fourth proportional to 556,165.80, 834,248.70 and 303,348.60 is: 455,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,165.80 : 834,248.70 = 303,348.60 : x
  2. Step 2: Convert to fraction form
    556,165.80/834,248.70 = 303,348.60/x
  3. Step 3: Cross multiply
    556,165.80x = 834,248.70 × 303,348.60
  4. Step 4: Simplify right side
    556,165.80x = 253,068,175,196.82
  5. Step 5: Solve for x
    x = 253,068,175,196.82/556,165.80
  6. Step 6: Final answer
    x = 455,022.90

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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.