Home / 355,251.52-490,254.18-194,116.60

Finding the Fourth Proportional to 355,251.52, 490,254.18 and 194,116.60

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Solution

The fourth proportional to 355,251.52, 490,254.18 and 194,116.60 is: 267,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,251.52 : 490,254.18 = 194,116.60 : x
  2. Step 2: Convert to fraction form
    355,251.52/490,254.18 = 194,116.60/x
  3. Step 3: Cross multiply
    355,251.52x = 490,254.18 × 194,116.60
  4. Step 4: Simplify right side
    355,251.52x = 95,166,474,557.39
  5. Step 5: Solve for x
    x = 95,166,474,557.39/355,251.52
  6. Step 6: Final answer
    x = 267,884.78

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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.