Home / 205,031.20-307,546.80-192,565.30

Finding the Fourth Proportional to 205,031.20, 307,546.80 and 192,565.30

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Solution

The fourth proportional to 205,031.20, 307,546.80 and 192,565.30 is: 288,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,031.20 : 307,546.80 = 192,565.30 : x
  2. Step 2: Convert to fraction form
    205,031.20/307,546.80 = 192,565.30/x
  3. Step 3: Cross multiply
    205,031.20x = 307,546.80 × 192,565.30
  4. Step 4: Simplify right side
    205,031.20x = 59,222,841,806.04
  5. Step 5: Solve for x
    x = 59,222,841,806.04/205,031.20
  6. Step 6: Final answer
    x = 288,847.95

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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.