Home / 377,385.20-520,772.76-207,614.96

Finding the Fourth Proportional to 377,385.20, 520,772.76 and 207,614.96

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Solution

The fourth proportional to 377,385.20, 520,772.76 and 207,614.96 is: 286,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,385.20 : 520,772.76 = 207,614.96 : x
  2. Step 2: Convert to fraction form
    377,385.20/520,772.76 = 207,614.96/x
  3. Step 3: Cross multiply
    377,385.20x = 520,772.76 × 207,614.96
  4. Step 4: Simplify right side
    377,385.20x = 108,120,215,736.49
  5. Step 5: Solve for x
    x = 108,120,215,736.49/377,385.20
  6. Step 6: Final answer
    x = 286,498.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.