Home / 372,110.20-513,506.22-202,342.84

Finding the Fourth Proportional to 372,110.20, 513,506.22 and 202,342.84

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Solution

The fourth proportional to 372,110.20, 513,506.22 and 202,342.84 is: 279,229.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,110.20 : 513,506.22 = 202,342.84 : x
  2. Step 2: Convert to fraction form
    372,110.20/513,506.22 = 202,342.84/x
  3. Step 3: Cross multiply
    372,110.20x = 513,506.22 × 202,342.84
  4. Step 4: Simplify right side
    372,110.20x = 103,904,306,912.47
  5. Step 5: Solve for x
    x = 103,904,306,912.47/372,110.20
  6. Step 6: Final answer
    x = 279,229.93

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1.5x scale

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.