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Finding the Fourth Proportional to 502,988.61, 754,471.98 and 236,601.48

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Solution

The fourth proportional to 502,988.61, 754,471.98 and 236,601.48 is: 354,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,988.61 : 754,471.98 = 236,601.48 : x
  2. Step 2: Convert to fraction form
    502,988.61/754,471.98 = 236,601.48/x
  3. Step 3: Cross multiply
    502,988.61x = 754,471.98 × 236,601.48
  4. Step 4: Simplify right side
    502,988.61x = 178,509,187,086.53
  5. Step 5: Solve for x
    x = 178,509,187,086.53/502,988.61
  6. Step 6: Final answer
    x = 354,897.08

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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.