Home / 238,438.60-329,050.71-131,001.82

Finding the Fourth Proportional to 238,438.60, 329,050.71 and 131,001.82

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Solution

The fourth proportional to 238,438.60, 329,050.71 and 131,001.82 is: 180,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,438.60 : 329,050.71 = 131,001.82 : x
  2. Step 2: Convert to fraction form
    238,438.60/329,050.71 = 131,001.82/x
  3. Step 3: Cross multiply
    238,438.60x = 329,050.71 × 131,001.82
  4. Step 4: Simplify right side
    238,438.60x = 43,106,241,882.29
  5. Step 5: Solve for x
    x = 43,106,241,882.29/238,438.60
  6. Step 6: Final answer
    x = 180,785.50

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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.