Home / 252,521.49-378,257.34-119,508.15

Finding the Fourth Proportional to 252,521.49, 378,257.34 and 119,508.15

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Solution

The fourth proportional to 252,521.49, 378,257.34 and 119,508.15 is: 179,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,521.49 : 378,257.34 = 119,508.15 : x
  2. Step 2: Convert to fraction form
    252,521.49/378,257.34 = 119,508.15/x
  3. Step 3: Cross multiply
    252,521.49x = 378,257.34 × 119,508.15
  4. Step 4: Simplify right side
    252,521.49x = 45,204,834,927.32
  5. Step 5: Solve for x
    x = 45,204,834,927.32/252,521.49
  6. Step 6: Final answer
    x = 179,013.81

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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.