Home / 231,280.44-319,162.86-130,676.28

Finding the Fourth Proportional to 231,280.44, 319,162.86 and 130,676.28

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Solution

The fourth proportional to 231,280.44, 319,162.86 and 130,676.28 is: 180,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,280.44 : 319,162.86 = 130,676.28 : x
  2. Step 2: Convert to fraction form
    231,280.44/319,162.86 = 130,676.28/x
  3. Step 3: Cross multiply
    231,280.44x = 319,162.86 × 130,676.28
  4. Step 4: Simplify right side
    231,280.44x = 41,707,015,258.96
  5. Step 5: Solve for x
    x = 41,707,015,258.96/231,280.44
  6. Step 6: Final answer
    x = 180,330.92

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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.