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Finding the Fourth Proportional to 503,294.36, 754,708.23 and 187,666.52

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Solution

The fourth proportional to 503,294.36, 754,708.23 and 187,666.52 is: 281,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,294.36 : 754,708.23 = 187,666.52 : x
  2. Step 2: Convert to fraction form
    503,294.36/754,708.23 = 187,666.52/x
  3. Step 3: Cross multiply
    503,294.36x = 754,708.23 × 187,666.52
  4. Step 4: Simplify right side
    503,294.36x = 141,633,467,139.46
  5. Step 5: Solve for x
    x = 141,633,467,139.46/503,294.36
  6. Step 6: Final answer
    x = 281,412.78

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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.