Home / 372,917.20-559,316.40-123,599.20

Finding the Fourth Proportional to 372,917.20, 559,316.40 and 123,599.20

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Solution

The fourth proportional to 372,917.20, 559,316.40 and 123,599.20 is: 185,379.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,917.20 : 559,316.40 = 123,599.20 : x
  2. Step 2: Convert to fraction form
    372,917.20/559,316.40 = 123,599.20/x
  3. Step 3: Cross multiply
    372,917.20x = 559,316.40 × 123,599.20
  4. Step 4: Simplify right side
    372,917.20x = 69,131,059,586.88
  5. Step 5: Solve for x
    x = 69,131,059,586.88/372,917.20
  6. Step 6: Final answer
    x = 185,379.11

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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.