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Finding the Fourth Proportional to 502,988.11, 754,471.23 and 236,600.98

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Solution

The fourth proportional to 502,988.11, 754,471.23 and 236,600.98 is: 354,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,988.11 : 754,471.23 = 236,600.98 : x
  2. Step 2: Convert to fraction form
    502,988.11/754,471.23 = 236,600.98/x
  3. Step 3: Cross multiply
    502,988.11x = 754,471.23 × 236,600.98
  4. Step 4: Simplify right side
    502,988.11x = 178,508,632,399.81
  5. Step 5: Solve for x
    x = 178,508,632,399.81/502,988.11
  6. Step 6: Final answer
    x = 354,896.33

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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.