Home / 220,103.76-330,344.16-218,447.04

Finding the Fourth Proportional to 220,103.76, 330,344.16 and 218,447.04

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Solution

The fourth proportional to 220,103.76, 330,344.16 and 218,447.04 is: 327,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,103.76 : 330,344.16 = 218,447.04 : x
  2. Step 2: Convert to fraction form
    220,103.76/330,344.16 = 218,447.04/x
  3. Step 3: Cross multiply
    220,103.76x = 330,344.16 × 218,447.04
  4. Step 4: Simplify right side
    220,103.76x = 72,162,703,933.29
  5. Step 5: Solve for x
    x = 72,162,703,933.29/220,103.76
  6. Step 6: Final answer
    x = 327,857.66

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1.5x scale

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.