Home / 270,634.28-406,011.22-81,086.92

Finding the Fourth Proportional to 270,634.28, 406,011.22 and 81,086.92

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Solution

The fourth proportional to 270,634.28, 406,011.22 and 81,086.92 is: 121,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,634.28 : 406,011.22 = 81,086.92 : x
  2. Step 2: Convert to fraction form
    270,634.28/406,011.22 = 81,086.92/x
  3. Step 3: Cross multiply
    270,634.28x = 406,011.22 × 81,086.92
  4. Step 4: Simplify right side
    270,634.28x = 32,922,199,315.24
  5. Step 5: Solve for x
    x = 32,922,199,315.24/270,634.28
  6. Step 6: Final answer
    x = 121,648.30

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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.