Home / 355,270.68-490,280.04-194,132.52

Finding the Fourth Proportional to 355,270.68, 490,280.04 and 194,132.52

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Solution

The fourth proportional to 355,270.68, 490,280.04 and 194,132.52 is: 267,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,270.68 : 490,280.04 = 194,132.52 : x
  2. Step 2: Convert to fraction form
    355,270.68/490,280.04 = 194,132.52/x
  3. Step 3: Cross multiply
    355,270.68x = 490,280.04 × 194,132.52
  4. Step 4: Simplify right side
    355,270.68x = 95,179,299,670.90
  5. Step 5: Solve for x
    x = 95,179,299,670.90/355,270.68
  6. Step 6: Final answer
    x = 267,906.43

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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.