Home / 433,147.60-649,814.11-129,565.58

Finding the Fourth Proportional to 433,147.60, 649,814.11 and 129,565.58

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Solution

The fourth proportional to 433,147.60, 649,814.11 and 129,565.58 is: 194,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,147.60 : 649,814.11 = 129,565.58 : x
  2. Step 2: Convert to fraction form
    433,147.60/649,814.11 = 129,565.58/x
  3. Step 3: Cross multiply
    433,147.60x = 649,814.11 × 129,565.58
  4. Step 4: Simplify right side
    433,147.60x = 84,193,542,054.33
  5. Step 5: Solve for x
    x = 84,193,542,054.33/433,147.60
  6. Step 6: Final answer
    x = 194,376.10

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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.