Home / 231,956.28-319,879.26-151,358.04

Finding the Fourth Proportional to 231,956.28, 319,879.26 and 151,358.04

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Solution

The fourth proportional to 231,956.28, 319,879.26 and 151,358.04 is: 208,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,956.28 : 319,879.26 = 151,358.04 : x
  2. Step 2: Convert to fraction form
    231,956.28/319,879.26 = 151,358.04/x
  3. Step 3: Cross multiply
    231,956.28x = 319,879.26 × 151,358.04
  4. Step 4: Simplify right side
    231,956.28x = 48,416,297,830.25
  5. Step 5: Solve for x
    x = 48,416,297,830.25/231,956.28
  6. Step 6: Final answer
    x = 208,730.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.