Home / 355,380.20-533,319.36-205,414.11

Finding the Fourth Proportional to 355,380.20, 533,319.36 and 205,414.11

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Solution

The fourth proportional to 355,380.20, 533,319.36 and 205,414.11 is: 308,265.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,380.20 : 533,319.36 = 205,414.11 : x
  2. Step 2: Convert to fraction form
    355,380.20/533,319.36 = 205,414.11/x
  3. Step 3: Cross multiply
    355,380.20x = 533,319.36 × 205,414.11
  4. Step 4: Simplify right side
    355,380.20x = 109,551,321,680.17
  5. Step 5: Solve for x
    x = 109,551,321,680.17/355,380.20
  6. Step 6: Final answer
    x = 308,265.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.