Home / 252,062.37-378,251.21-102,302.66

Finding the Fourth Proportional to 252,062.37, 378,251.21 and 102,302.66

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Solution

The fourth proportional to 252,062.37, 378,251.21 and 102,302.66 is: 153,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,062.37 : 378,251.21 = 102,302.66 : x
  2. Step 2: Convert to fraction form
    252,062.37/378,251.21 = 102,302.66/x
  3. Step 3: Cross multiply
    252,062.37x = 378,251.21 × 102,302.66
  4. Step 4: Simplify right side
    252,062.37x = 38,696,102,528.45
  5. Step 5: Solve for x
    x = 38,696,102,528.45/252,062.37
  6. Step 6: Final answer
    x = 153,517.97

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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.