Home / 231,281.44-319,164.24-130,677.28

Finding the Fourth Proportional to 231,281.44, 319,164.24 and 130,677.28

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Solution

The fourth proportional to 231,281.44, 319,164.24 and 130,677.28 is: 180,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,281.44 : 319,164.24 = 130,677.28 : x
  2. Step 2: Convert to fraction form
    231,281.44/319,164.24 = 130,677.28/x
  3. Step 3: Cross multiply
    231,281.44x = 319,164.24 × 130,677.28
  4. Step 4: Simplify right side
    231,281.44x = 41,707,514,756.47
  5. Step 5: Solve for x
    x = 41,707,514,756.47/231,281.44
  6. Step 6: Final answer
    x = 180,332.30

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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.