Home / 238,718.80-329,438.86-131,295.76

Finding the Fourth Proportional to 238,718.80, 329,438.86 and 131,295.76

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Solution

The fourth proportional to 238,718.80, 329,438.86 and 131,295.76 is: 181,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,718.80 : 329,438.86 = 131,295.76 : x
  2. Step 2: Convert to fraction form
    238,718.80/329,438.86 = 131,295.76/x
  3. Step 3: Cross multiply
    238,718.80x = 329,438.86 × 131,295.76
  4. Step 4: Simplify right side
    238,718.80x = 43,253,925,497.23
  5. Step 5: Solve for x
    x = 43,253,925,497.23/238,718.80
  6. Step 6: Final answer
    x = 181,191.95

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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.