Home / 203,965.40-305,948.10-181,220.60

Finding the Fourth Proportional to 203,965.40, 305,948.10 and 181,220.60

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Solution

The fourth proportional to 203,965.40, 305,948.10 and 181,220.60 is: 271,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,965.40 : 305,948.10 = 181,220.60 : x
  2. Step 2: Convert to fraction form
    203,965.40/305,948.10 = 181,220.60/x
  3. Step 3: Cross multiply
    203,965.40x = 305,948.10 × 181,220.60
  4. Step 4: Simplify right side
    203,965.40x = 55,444,098,250.86
  5. Step 5: Solve for x
    x = 55,444,098,250.86/203,965.40
  6. Step 6: Final answer
    x = 271,830.90

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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.