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Finding the Fourth Proportional to 501,531.97, 752,122.98 and 220,896.13

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Solution

The fourth proportional to 501,531.97, 752,122.98 and 220,896.13 is: 331,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,531.97 : 752,122.98 = 220,896.13 : x
  2. Step 2: Convert to fraction form
    501,531.97/752,122.98 = 220,896.13/x
  3. Step 3: Cross multiply
    501,531.97x = 752,122.98 × 220,896.13
  4. Step 4: Simplify right side
    501,531.97x = 166,141,053,685.76
  5. Step 5: Solve for x
    x = 166,141,053,685.76/501,531.97
  6. Step 6: Final answer
    x = 331,267.13

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1.5x scale

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.