Home / 372,200.82-513,642.51-202,435.44

Finding the Fourth Proportional to 372,200.82, 513,642.51 and 202,435.44

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Solution

The fourth proportional to 372,200.82, 513,642.51 and 202,435.44 is: 279,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,200.82 : 513,642.51 = 202,435.44 : x
  2. Step 2: Convert to fraction form
    372,200.82/513,642.51 = 202,435.44/x
  3. Step 3: Cross multiply
    372,200.82x = 513,642.51 × 202,435.44
  4. Step 4: Simplify right side
    372,200.82x = 103,979,447,514.55
  5. Step 5: Solve for x
    x = 103,979,447,514.55/372,200.82
  6. Step 6: Final answer
    x = 279,363.83

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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.