Home / 272,857.32-409,565.26-225,320.95

Finding the Fourth Proportional to 272,857.32, 409,565.26 and 225,320.95

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Solution

The fourth proportional to 272,857.32, 409,565.26 and 225,320.95 is: 338,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,857.32 : 409,565.26 = 225,320.95 : x
  2. Step 2: Convert to fraction form
    272,857.32/409,565.26 = 225,320.95/x
  3. Step 3: Cross multiply
    272,857.32x = 409,565.26 × 225,320.95
  4. Step 4: Simplify right side
    272,857.32x = 92,283,633,470.20
  5. Step 5: Solve for x
    x = 92,283,633,470.20/272,857.32
  6. Step 6: Final answer
    x = 338,212.05

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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.