Home / 231,284.44-319,168.38-130,680.28

Finding the Fourth Proportional to 231,284.44, 319,168.38 and 130,680.28

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Solution

The fourth proportional to 231,284.44, 319,168.38 and 130,680.28 is: 180,336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,284.44 : 319,168.38 = 130,680.28 : x
  2. Step 2: Convert to fraction form
    231,284.44/319,168.38 = 130,680.28/x
  3. Step 3: Cross multiply
    231,284.44x = 319,168.38 × 130,680.28
  4. Step 4: Simplify right side
    231,284.44x = 41,709,013,265.55
  5. Step 5: Solve for x
    x = 41,709,013,265.55/231,284.44
  6. Step 6: Final answer
    x = 180,336.44

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1.5x scale

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.