Home / 315,760.27-473,321.20-135,962.95

Finding the Fourth Proportional to 315,760.27, 473,321.20 and 135,962.95

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Solution

The fourth proportional to 315,760.27, 473,321.20 and 135,962.95 is: 203,806.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,760.27 : 473,321.20 = 135,962.95 : x
  2. Step 2: Convert to fraction form
    315,760.27/473,321.20 = 135,962.95/x
  3. Step 3: Cross multiply
    315,760.27x = 473,321.20 × 135,962.95
  4. Step 4: Simplify right side
    315,760.27x = 64,354,146,649.54
  5. Step 5: Solve for x
    x = 64,354,146,649.54/315,760.27
  6. Step 6: Final answer
    x = 203,806.98

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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.