Home / 437,188.24-655,805.76-137,692.16

Finding the Fourth Proportional to 437,188.24, 655,805.76 and 137,692.16

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Solution

The fourth proportional to 437,188.24, 655,805.76 and 137,692.16 is: 206,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,188.24 : 655,805.76 = 137,692.16 : x
  2. Step 2: Convert to fraction form
    437,188.24/655,805.76 = 137,692.16/x
  3. Step 3: Cross multiply
    437,188.24x = 655,805.76 × 137,692.16
  4. Step 4: Simplify right side
    437,188.24x = 90,299,311,634.84
  5. Step 5: Solve for x
    x = 90,299,311,634.84/437,188.24
  6. Step 6: Final answer
    x = 206,545.61

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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.