Home / 231,449.29-319,464.27-134,671.84

Finding the Fourth Proportional to 231,449.29, 319,464.27 and 134,671.84

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Solution

The fourth proportional to 231,449.29, 319,464.27 and 134,671.84 is: 185,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,449.29 : 319,464.27 = 134,671.84 : x
  2. Step 2: Convert to fraction form
    231,449.29/319,464.27 = 134,671.84/x
  3. Step 3: Cross multiply
    231,449.29x = 319,464.27 × 134,671.84
  4. Step 4: Simplify right side
    231,449.29x = 43,022,840,256.50
  5. Step 5: Solve for x
    x = 43,022,840,256.50/231,449.29
  6. Step 6: Final answer
    x = 185,884.52

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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.