Home / 437,710.20-656,565.30-122,166.60

Finding the Fourth Proportional to 437,710.20, 656,565.30 and 122,166.60

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Solution

The fourth proportional to 437,710.20, 656,565.30 and 122,166.60 is: 183,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,710.20 : 656,565.30 = 122,166.60 : x
  2. Step 2: Convert to fraction form
    437,710.20/656,565.30 = 122,166.60/x
  3. Step 3: Cross multiply
    437,710.20x = 656,565.30 × 122,166.60
  4. Step 4: Simplify right side
    437,710.20x = 80,210,350,378.98
  5. Step 5: Solve for x
    x = 80,210,350,378.98/437,710.20
  6. Step 6: Final answer
    x = 183,249.90

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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.