Home / 486,028.40-729,046.92-149,070.62

Finding the Fourth Proportional to 486,028.40, 729,046.92 and 149,070.62

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Solution

The fourth proportional to 486,028.40, 729,046.92 and 149,070.62 is: 223,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,028.40 : 729,046.92 = 149,070.62 : x
  2. Step 2: Convert to fraction form
    486,028.40/729,046.92 = 149,070.62/x
  3. Step 3: Cross multiply
    486,028.40x = 729,046.92 × 149,070.62
  4. Step 4: Simplify right side
    486,028.40x = 108,679,476,373.49
  5. Step 5: Solve for x
    x = 108,679,476,373.49/486,028.40
  6. Step 6: Final answer
    x = 223,607.25

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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.