Home / 206,934.24-310,518-205,353.12

Finding the Fourth Proportional to 206,934.24, 310,518 and 205,353.12

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Solution

The fourth proportional to 206,934.24, 310,518 and 205,353.12 is: 308,145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,934.24 : 310,518 = 205,353.12 : x
  2. Step 2: Convert to fraction form
    206,934.24/310,518 = 205,353.12/x
  3. Step 3: Cross multiply
    206,934.24x = 310,518 × 205,353.12
  4. Step 4: Simplify right side
    206,934.24x = 63,765,840,116.16
  5. Step 5: Solve for x
    x = 63,765,840,116.16/206,934.24
  6. Step 6: Final answer
    x = 308,145.43

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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.