Home / 238,234.97-328,764.62-130,811.86

Finding the Fourth Proportional to 238,234.97, 328,764.62 and 130,811.86

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Solution

The fourth proportional to 238,234.97, 328,764.62 and 130,811.86 is: 180,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,234.97 : 328,764.62 = 130,811.86 : x
  2. Step 2: Convert to fraction form
    238,234.97/328,764.62 = 130,811.86/x
  3. Step 3: Cross multiply
    238,234.97x = 328,764.62 × 130,811.86
  4. Step 4: Simplify right side
    238,234.97x = 43,006,312,182.38
  5. Step 5: Solve for x
    x = 43,006,312,182.38/238,234.97
  6. Step 6: Final answer
    x = 180,520.57

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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.