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Finding the Fourth Proportional to 502,872.56, 754,782.72 and 183,333.38

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Solution

The fourth proportional to 502,872.56, 754,782.72 and 183,333.38 is: 275,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,872.56 : 754,782.72 = 183,333.38 : x
  2. Step 2: Convert to fraction form
    502,872.56/754,782.72 = 183,333.38/x
  3. Step 3: Cross multiply
    502,872.56x = 754,782.72 × 183,333.38
  4. Step 4: Simplify right side
    502,872.56x = 138,376,867,223.19
  5. Step 5: Solve for x
    x = 138,376,867,223.19/502,872.56
  6. Step 6: Final answer
    x = 275,172.83

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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.