Home / 283,091.32-424,640.22-72,723.52

Finding the Fourth Proportional to 283,091.32, 424,640.22 and 72,723.52

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Solution

The fourth proportional to 283,091.32, 424,640.22 and 72,723.52 is: 109,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,091.32 : 424,640.22 = 72,723.52 : x
  2. Step 2: Convert to fraction form
    283,091.32/424,640.22 = 72,723.52/x
  3. Step 3: Cross multiply
    283,091.32x = 424,640.22 × 72,723.52
  4. Step 4: Simplify right side
    283,091.32x = 30,881,331,531.97
  5. Step 5: Solve for x
    x = 30,881,331,531.97/283,091.32
  6. Step 6: Final answer
    x = 109,086.11

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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.