Home / 252,121.40-378,182.10-181,262.60

Finding the Fourth Proportional to 252,121.40, 378,182.10 and 181,262.60

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Solution

The fourth proportional to 252,121.40, 378,182.10 and 181,262.60 is: 271,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,121.40 : 378,182.10 = 181,262.60 : x
  2. Step 2: Convert to fraction form
    252,121.40/378,182.10 = 181,262.60/x
  3. Step 3: Cross multiply
    252,121.40x = 378,182.10 × 181,262.60
  4. Step 4: Simplify right side
    252,121.40x = 68,550,270,719.46
  5. Step 5: Solve for x
    x = 68,550,270,719.46/252,121.40
  6. Step 6: Final answer
    x = 271,893.90

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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.