Home / 372,184.60-513,599.92-202,418.86

Finding the Fourth Proportional to 372,184.60, 513,599.92 and 202,418.86

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Solution

The fourth proportional to 372,184.60, 513,599.92 and 202,418.86 is: 279,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,184.60 : 513,599.92 = 202,418.86 : x
  2. Step 2: Convert to fraction form
    372,184.60/513,599.92 = 202,418.86/x
  3. Step 3: Cross multiply
    372,184.60x = 513,599.92 × 202,418.86
  4. Step 4: Simplify right side
    372,184.60x = 103,962,310,302.49
  5. Step 5: Solve for x
    x = 103,962,310,302.49/372,184.60
  6. Step 6: Final answer
    x = 279,329.96

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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.