Home / 439,764.40-659,754.60-124,217.20

Finding the Fourth Proportional to 439,764.40, 659,754.60 and 124,217.20

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Solution

The fourth proportional to 439,764.40, 659,754.60 and 124,217.20 is: 186,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,764.40 : 659,754.60 = 124,217.20 : x
  2. Step 2: Convert to fraction form
    439,764.40/659,754.60 = 124,217.20/x
  3. Step 3: Cross multiply
    439,764.40x = 659,754.60 × 124,217.20
  4. Step 4: Simplify right side
    439,764.40x = 81,952,869,099.12
  5. Step 5: Solve for x
    x = 81,952,869,099.12/439,764.40
  6. Step 6: Final answer
    x = 186,356.31

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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.