Home / 238,234.40-328,764.11-130,811.39

Finding the Fourth Proportional to 238,234.40, 328,764.11 and 130,811.39

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Solution

The fourth proportional to 238,234.40, 328,764.11 and 130,811.39 is: 180,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,234.40 : 328,764.11 = 130,811.39 : x
  2. Step 2: Convert to fraction form
    238,234.40/328,764.11 = 130,811.39/x
  3. Step 3: Cross multiply
    238,234.40x = 328,764.11 × 130,811.39
  4. Step 4: Simplify right side
    238,234.40x = 43,006,087,913.34
  5. Step 5: Solve for x
    x = 43,006,087,913.34/238,234.40
  6. Step 6: Final answer
    x = 180,520.06

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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.