Home / 460,933.32-691,400.29-145,414.83

Finding the Fourth Proportional to 460,933.32, 691,400.29 and 145,414.83

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Solution

The fourth proportional to 460,933.32, 691,400.29 and 145,414.83 is: 218,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,933.32 : 691,400.29 = 145,414.83 : x
  2. Step 2: Convert to fraction form
    460,933.32/691,400.29 = 145,414.83/x
  3. Step 3: Cross multiply
    460,933.32x = 691,400.29 × 145,414.83
  4. Step 4: Simplify right side
    460,933.32x = 100,539,855,632.30
  5. Step 5: Solve for x
    x = 100,539,855,632.30/460,933.32
  6. Step 6: Final answer
    x = 218,122.34

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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.