Home / 357,531.26-493,395.18-196,380.95

Finding the Fourth Proportional to 357,531.26, 493,395.18 and 196,380.95

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Solution

The fourth proportional to 357,531.26, 493,395.18 and 196,380.95 is: 271,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,531.26 : 493,395.18 = 196,380.95 : x
  2. Step 2: Convert to fraction form
    357,531.26/493,395.18 = 196,380.95/x
  3. Step 3: Cross multiply
    357,531.26x = 493,395.18 × 196,380.95
  4. Step 4: Simplify right side
    357,531.26x = 96,893,414,173.82
  5. Step 5: Solve for x
    x = 96,893,414,173.82/357,531.26
  6. Step 6: Final answer
    x = 271,006.83

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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.