Home / 486,319.14-729,499.56-149,373.21

Finding the Fourth Proportional to 486,319.14, 729,499.56 and 149,373.21

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Solution

The fourth proportional to 486,319.14, 729,499.56 and 149,373.21 is: 224,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,319.14 : 729,499.56 = 149,373.21 : x
  2. Step 2: Convert to fraction form
    486,319.14/729,499.56 = 149,373.21/x
  3. Step 3: Cross multiply
    486,319.14x = 729,499.56 × 149,373.21
  4. Step 4: Simplify right side
    486,319.14x = 108,967,690,970.79
  5. Step 5: Solve for x
    x = 108,967,690,970.79/486,319.14
  6. Step 6: Final answer
    x = 224,066.22

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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.