Home / 460,933.20-691,399.82-145,414.72

Finding the Fourth Proportional to 460,933.20, 691,399.82 and 145,414.72

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Solution

The fourth proportional to 460,933.20, 691,399.82 and 145,414.72 is: 218,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,933.20 : 691,399.82 = 145,414.72 : x
  2. Step 2: Convert to fraction form
    460,933.20/691,399.82 = 145,414.72/x
  3. Step 3: Cross multiply
    460,933.20x = 691,399.82 × 145,414.72
  4. Step 4: Simplify right side
    460,933.20x = 100,539,711,233.35
  5. Step 5: Solve for x
    x = 100,539,711,233.35/460,933.20
  6. Step 6: Final answer
    x = 218,122.09

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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.