Home / 154,302.40-231,799.20-148,004.80

Finding the Fourth Proportional to 154,302.40, 231,799.20 and 148,004.80

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Solution

The fourth proportional to 154,302.40, 231,799.20 and 148,004.80 is: 222,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,302.40 : 231,799.20 = 148,004.80 : x
  2. Step 2: Convert to fraction form
    154,302.40/231,799.20 = 148,004.80/x
  3. Step 3: Cross multiply
    154,302.40x = 231,799.20 × 148,004.80
  4. Step 4: Simplify right side
    154,302.40x = 34,307,394,236.16
  5. Step 5: Solve for x
    x = 34,307,394,236.16/154,302.40
  6. Step 6: Final answer
    x = 222,338.69

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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.