Home / 372,043.20-513,414-202,275.84

Finding the Fourth Proportional to 372,043.20, 513,414 and 202,275.84

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Solution

The fourth proportional to 372,043.20, 513,414 and 202,275.84 is: 279,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,043.20 : 513,414 = 202,275.84 : x
  2. Step 2: Convert to fraction form
    372,043.20/513,414 = 202,275.84/x
  3. Step 3: Cross multiply
    372,043.20x = 513,414 × 202,275.84
  4. Step 4: Simplify right side
    372,043.20x = 103,851,248,117.76
  5. Step 5: Solve for x
    x = 103,851,248,117.76/372,043.20
  6. Step 6: Final answer
    x = 279,137.61

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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.