Home / 349,726.46-482,654.31-198,823.10

Finding the Fourth Proportional to 349,726.46, 482,654.31 and 198,823.10

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Solution

The fourth proportional to 349,726.46, 482,654.31 and 198,823.10 is: 274,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,726.46 : 482,654.31 = 198,823.10 : x
  2. Step 2: Convert to fraction form
    349,726.46/482,654.31 = 198,823.10/x
  3. Step 3: Cross multiply
    349,726.46x = 482,654.31 × 198,823.10
  4. Step 4: Simplify right side
    349,726.46x = 95,962,826,142.56
  5. Step 5: Solve for x
    x = 95,962,826,142.56/349,726.46
  6. Step 6: Final answer
    x = 274,393.95

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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.