Home / 499,314.80-748,977.66-144,331.89

Finding the Fourth Proportional to 499,314.80, 748,977.66 and 144,331.89

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Solution

The fourth proportional to 499,314.80, 748,977.66 and 144,331.89 is: 216,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,314.80 : 748,977.66 = 144,331.89 : x
  2. Step 2: Convert to fraction form
    499,314.80/748,977.66 = 144,331.89/x
  3. Step 3: Cross multiply
    499,314.80x = 748,977.66 × 144,331.89
  4. Step 4: Simplify right side
    499,314.80x = 108,101,361,235.58
  5. Step 5: Solve for x
    x = 108,101,361,235.58/499,314.80
  6. Step 6: Final answer
    x = 216,499.42

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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.