Home / 349,387.44-482,156.30-198,492.72

Finding the Fourth Proportional to 349,387.44, 482,156.30 and 198,492.72

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Solution

The fourth proportional to 349,387.44, 482,156.30 and 198,492.72 is: 273,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,387.44 : 482,156.30 = 198,492.72 : x
  2. Step 2: Convert to fraction form
    349,387.44/482,156.30 = 198,492.72/x
  3. Step 3: Cross multiply
    349,387.44x = 482,156.30 × 198,492.72
  4. Step 4: Simplify right side
    349,387.44x = 95,704,515,452.14
  5. Step 5: Solve for x
    x = 95,704,515,452.14/349,387.44
  6. Step 6: Final answer
    x = 273,920.88

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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.