Home / 439,937.40-659,841.30-124,426.20

Finding the Fourth Proportional to 439,937.40, 659,841.30 and 124,426.20

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Solution

The fourth proportional to 439,937.40, 659,841.30 and 124,426.20 is: 186,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,937.40 : 659,841.30 = 124,426.20 : x
  2. Step 2: Convert to fraction form
    439,937.40/659,841.30 = 124,426.20/x
  3. Step 3: Cross multiply
    439,937.40x = 659,841.30 × 124,426.20
  4. Step 4: Simplify right side
    439,937.40x = 82,101,545,562.06
  5. Step 5: Solve for x
    x = 82,101,545,562.06/439,937.40
  6. Step 6: Final answer
    x = 186,620.97

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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.