Home / 284,017.43-425,620.20-208,545.50

Finding the Fourth Proportional to 284,017.43, 425,620.20 and 208,545.50

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Solution

The fourth proportional to 284,017.43, 425,620.20 and 208,545.50 is: 312,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,017.43 : 425,620.20 = 208,545.50 : x
  2. Step 2: Convert to fraction form
    284,017.43/425,620.20 = 208,545.50/x
  3. Step 3: Cross multiply
    284,017.43x = 425,620.20 × 208,545.50
  4. Step 4: Simplify right side
    284,017.43x = 88,761,177,419.10
  5. Step 5: Solve for x
    x = 88,761,177,419.10/284,017.43
  6. Step 6: Final answer
    x = 312,520.18

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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.