Home / 220,516.35-330,479.28-108,024.36

Finding the Fourth Proportional to 220,516.35, 330,479.28 and 108,024.36

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Solution

The fourth proportional to 220,516.35, 330,479.28 and 108,024.36 is: 161,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,516.35 : 330,479.28 = 108,024.36 : x
  2. Step 2: Convert to fraction form
    220,516.35/330,479.28 = 108,024.36/x
  3. Step 3: Cross multiply
    220,516.35x = 330,479.28 × 108,024.36
  4. Step 4: Simplify right side
    220,516.35x = 35,699,812,715.26
  5. Step 5: Solve for x
    x = 35,699,812,715.26/220,516.35
  6. Step 6: Final answer
    x = 161,891.91

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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.