Home / 220,501.19-330,814.60-108,215.15

Finding the Fourth Proportional to 220,501.19, 330,814.60 and 108,215.15

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Solution

The fourth proportional to 220,501.19, 330,814.60 and 108,215.15 is: 162,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,501.19 : 330,814.60 = 108,215.15 : x
  2. Step 2: Convert to fraction form
    220,501.19/330,814.60 = 108,215.15/x
  3. Step 3: Cross multiply
    220,501.19x = 330,814.60 × 108,215.15
  4. Step 4: Simplify right side
    220,501.19x = 35,799,149,636.58
  5. Step 5: Solve for x
    x = 35,799,149,636.58/220,501.19
  6. Step 6: Final answer
    x = 162,353.54

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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.