Home / 460,227.29-690,380.82-140,451.15

Finding the Fourth Proportional to 460,227.29, 690,380.82 and 140,451.15

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Solution

The fourth proportional to 460,227.29, 690,380.82 and 140,451.15 is: 210,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,227.29 : 690,380.82 = 140,451.15 : x
  2. Step 2: Convert to fraction form
    460,227.29/690,380.82 = 140,451.15/x
  3. Step 3: Cross multiply
    460,227.29x = 690,380.82 × 140,451.15
  4. Step 4: Simplify right side
    460,227.29x = 96,964,780,106.94
  5. Step 5: Solve for x
    x = 96,964,780,106.94/460,227.29
  6. Step 6: Final answer
    x = 210,688.90

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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.