Home / 486,614.03-729,990.85-149,683.11

Finding the Fourth Proportional to 486,614.03, 729,990.85 and 149,683.11

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Solution

The fourth proportional to 486,614.03, 729,990.85 and 149,683.11 is: 224,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,614.03 : 729,990.85 = 149,683.11 : x
  2. Step 2: Convert to fraction form
    486,614.03/729,990.85 = 149,683.11/x
  3. Step 3: Cross multiply
    486,614.03x = 729,990.85 × 149,683.11
  4. Step 4: Simplify right side
    486,614.03x = 109,267,298,149.18
  5. Step 5: Solve for x
    x = 109,267,298,149.18/486,614.03
  6. Step 6: Final answer
    x = 224,546.13

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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.