Home / 238,712.38-329,416.50-131,282.42

Finding the Fourth Proportional to 238,712.38, 329,416.50 and 131,282.42

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Solution

The fourth proportional to 238,712.38, 329,416.50 and 131,282.42 is: 181,166.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,712.38 : 329,416.50 = 131,282.42 : x
  2. Step 2: Convert to fraction form
    238,712.38/329,416.50 = 131,282.42/x
  3. Step 3: Cross multiply
    238,712.38x = 329,416.50 × 131,282.42
  4. Step 4: Simplify right side
    238,712.38x = 43,246,595,307.93
  5. Step 5: Solve for x
    x = 43,246,595,307.93/238,712.38
  6. Step 6: Final answer
    x = 181,166.12

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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.