Home / 238,911.28-329,690.34-131,481.16

Finding the Fourth Proportional to 238,911.28, 329,690.34 and 131,481.16

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Solution

The fourth proportional to 238,911.28, 329,690.34 and 131,481.16 is: 181,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,911.28 : 329,690.34 = 131,481.16 : x
  2. Step 2: Convert to fraction form
    238,911.28/329,690.34 = 131,481.16/x
  3. Step 3: Cross multiply
    238,911.28x = 329,690.34 × 131,481.16
  4. Step 4: Simplify right side
    238,911.28x = 43,348,068,343.99
  5. Step 5: Solve for x
    x = 43,348,068,343.99/238,911.28
  6. Step 6: Final answer
    x = 181,440.02

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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.