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Finding the Fourth Proportional to 238,437.96, 329,044.11 and 131,007.74

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Solution

The fourth proportional to 238,437.96, 329,044.11 and 131,007.74 is: 180,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,437.96 : 329,044.11 = 131,007.74 : x
  2. Step 2: Convert to fraction form
    238,437.96/329,044.11 = 131,007.74/x
  3. Step 3: Cross multiply
    238,437.96x = 329,044.11 × 131,007.74
  4. Step 4: Simplify right side
    238,437.96x = 43,107,323,566.19
  5. Step 5: Solve for x
    x = 43,107,323,566.19/238,437.96
  6. Step 6: Final answer
    x = 180,790.52

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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.