Home / 397,691.30-596,630.37-131,451.81

Finding the Fourth Proportional to 397,691.30, 596,630.37 and 131,451.81

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Solution

The fourth proportional to 397,691.30, 596,630.37 and 131,451.81 is: 197,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,691.30 : 596,630.37 = 131,451.81 : x
  2. Step 2: Convert to fraction form
    397,691.30/596,630.37 = 131,451.81/x
  3. Step 3: Cross multiply
    397,691.30x = 596,630.37 × 131,451.81
  4. Step 4: Simplify right side
    397,691.30x = 78,428,140,293.05
  5. Step 5: Solve for x
    x = 78,428,140,293.05/397,691.30
  6. Step 6: Final answer
    x = 197,208.59

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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.