Home / 379,538.20-569,407.11-136,403.83

Finding the Fourth Proportional to 379,538.20, 569,407.11 and 136,403.83

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Solution

The fourth proportional to 379,538.20, 569,407.11 and 136,403.83 is: 204,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,538.20 : 569,407.11 = 136,403.83 : x
  2. Step 2: Convert to fraction form
    379,538.20/569,407.11 = 136,403.83/x
  3. Step 3: Cross multiply
    379,538.20x = 569,407.11 × 136,403.83
  4. Step 4: Simplify right side
    379,538.20x = 77,669,307,104.18
  5. Step 5: Solve for x
    x = 77,669,307,104.18/379,538.20
  6. Step 6: Final answer
    x = 204,641.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.