Home / 486,548.20-729,892.05-149,617.15

Finding the Fourth Proportional to 486,548.20, 729,892.05 and 149,617.15

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Solution

The fourth proportional to 486,548.20, 729,892.05 and 149,617.15 is: 224,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,548.20 : 729,892.05 = 149,617.15 : x
  2. Step 2: Convert to fraction form
    486,548.20/729,892.05 = 149,617.15/x
  3. Step 3: Cross multiply
    486,548.20x = 729,892.05 × 149,617.15
  4. Step 4: Simplify right side
    486,548.20x = 109,204,368,328.66
  5. Step 5: Solve for x
    x = 109,204,368,328.66/486,548.20
  6. Step 6: Final answer
    x = 224,447.17

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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.