Home / 221,558.40-332,337.60-133,084.80

Finding the Fourth Proportional to 221,558.40, 332,337.60 and 133,084.80

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Solution

The fourth proportional to 221,558.40, 332,337.60 and 133,084.80 is: 199,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,558.40 : 332,337.60 = 133,084.80 : x
  2. Step 2: Convert to fraction form
    221,558.40/332,337.60 = 133,084.80/x
  3. Step 3: Cross multiply
    221,558.40x = 332,337.60 × 133,084.80
  4. Step 4: Simplify right side
    221,558.40x = 44,229,083,028.48
  5. Step 5: Solve for x
    x = 44,229,083,028.48/221,558.40
  6. Step 6: Final answer
    x = 199,627.20

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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.