Home / 439,748.40-659,557.80-124,237.20

Finding the Fourth Proportional to 439,748.40, 659,557.80 and 124,237.20

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Solution

The fourth proportional to 439,748.40, 659,557.80 and 124,237.20 is: 186,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,748.40 : 659,557.80 = 124,237.20 : x
  2. Step 2: Convert to fraction form
    439,748.40/659,557.80 = 124,237.20/x
  3. Step 3: Cross multiply
    439,748.40x = 659,557.80 × 124,237.20
  4. Step 4: Simplify right side
    439,748.40x = 81,941,614,310.16
  5. Step 5: Solve for x
    x = 81,941,614,310.16/439,748.40
  6. Step 6: Final answer
    x = 186,337.49

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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.