Home / 372,968.92-559,321.62-120,239.20

Finding the Fourth Proportional to 372,968.92, 559,321.62 and 120,239.20

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Solution

The fourth proportional to 372,968.92, 559,321.62 and 120,239.20 is: 180,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,968.92 : 559,321.62 = 120,239.20 : x
  2. Step 2: Convert to fraction form
    372,968.92/559,321.62 = 120,239.20/x
  3. Step 3: Cross multiply
    372,968.92x = 559,321.62 × 120,239.20
  4. Step 4: Simplify right side
    372,968.92x = 67,252,384,131.50
  5. Step 5: Solve for x
    x = 67,252,384,131.50/372,968.92
  6. Step 6: Final answer
    x = 180,316.32

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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.