Home / 372,920.13-559,380.20-123,602.13

Finding the Fourth Proportional to 372,920.13, 559,380.20 and 123,602.13

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Solution

The fourth proportional to 372,920.13, 559,380.20 and 123,602.13 is: 185,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,920.13 : 559,380.20 = 123,602.13 : x
  2. Step 2: Convert to fraction form
    372,920.13/559,380.20 = 123,602.13/x
  3. Step 3: Cross multiply
    372,920.13x = 559,380.20 × 123,602.13
  4. Step 4: Simplify right side
    372,920.13x = 69,140,584,199.83
  5. Step 5: Solve for x
    x = 69,140,584,199.83/372,920.13
  6. Step 6: Final answer
    x = 185,403.20

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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.