Home / 231,288.44-319,173.90-130,684.28

Finding the Fourth Proportional to 231,288.44, 319,173.90 and 130,684.28

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Solution

The fourth proportional to 231,288.44, 319,173.90 and 130,684.28 is: 180,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,288.44 : 319,173.90 = 130,684.28 : x
  2. Step 2: Convert to fraction form
    231,288.44/319,173.90 = 130,684.28/x
  3. Step 3: Cross multiply
    231,288.44x = 319,173.90 × 130,684.28
  4. Step 4: Simplify right side
    231,288.44x = 41,711,011,316.29
  5. Step 5: Solve for x
    x = 41,711,011,316.29/231,288.44
  6. Step 6: Final answer
    x = 180,341.96

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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.