Home / 238,912.28-329,691.72-131,482.16

Finding the Fourth Proportional to 238,912.28, 329,691.72 and 131,482.16

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Solution

The fourth proportional to 238,912.28, 329,691.72 and 131,482.16 is: 181,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,912.28 : 329,691.72 = 131,482.16 : x
  2. Step 2: Convert to fraction form
    238,912.28/329,691.72 = 131,482.16/x
  3. Step 3: Cross multiply
    238,912.28x = 329,691.72 × 131,482.16
  4. Step 4: Simplify right side
    238,912.28x = 43,348,579,479.72
  5. Step 5: Solve for x
    x = 43,348,579,479.72/238,912.28
  6. Step 6: Final answer
    x = 181,441.40

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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.