Home / 316,982.95-437,481.27-196,163.15

Finding the Fourth Proportional to 316,982.95, 437,481.27 and 196,163.15

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Solution

The fourth proportional to 316,982.95, 437,481.27 and 196,163.15 is: 270,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,982.95 : 437,481.27 = 196,163.15 : x
  2. Step 2: Convert to fraction form
    316,982.95/437,481.27 = 196,163.15/x
  3. Step 3: Cross multiply
    316,982.95x = 437,481.27 × 196,163.15
  4. Step 4: Simplify right side
    316,982.95x = 85,817,701,801.79
  5. Step 5: Solve for x
    x = 85,817,701,801.79/316,982.95
  6. Step 6: Final answer
    x = 270,732.87

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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.