Home / 221,519.20-332,327.40-109,253.20

Finding the Fourth Proportional to 221,519.20, 332,327.40 and 109,253.20

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Solution

The fourth proportional to 221,519.20, 332,327.40 and 109,253.20 is: 163,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,519.20 : 332,327.40 = 109,253.20 : x
  2. Step 2: Convert to fraction form
    221,519.20/332,327.40 = 109,253.20/x
  3. Step 3: Cross multiply
    221,519.20x = 332,327.40 × 109,253.20
  4. Step 4: Simplify right side
    221,519.20x = 36,307,831,897.68
  5. Step 5: Solve for x
    x = 36,307,831,897.68/221,519.20
  6. Step 6: Final answer
    x = 163,903.77

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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.