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Finding the Fourth Proportional to 502,810.34, 754,213.55 and 203,287.32

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Solution

The fourth proportional to 502,810.34, 754,213.55 and 203,287.32 is: 304,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,810.34 : 754,213.55 = 203,287.32 : x
  2. Step 2: Convert to fraction form
    502,810.34/754,213.55 = 203,287.32/x
  3. Step 3: Cross multiply
    502,810.34x = 754,213.55 × 203,287.32
  4. Step 4: Simplify right side
    502,810.34x = 153,322,050,270.75
  5. Step 5: Solve for x
    x = 153,322,050,270.75/502,810.34
  6. Step 6: Final answer
    x = 304,930.19

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Similar ratio
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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.