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Finding the Fourth Proportional to 275,572.33, 380,260.37 and 154,726.88

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Solution

The fourth proportional to 275,572.33, 380,260.37 and 154,726.88 is: 213,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,572.33 : 380,260.37 = 154,726.88 : x
  2. Step 2: Convert to fraction form
    275,572.33/380,260.37 = 154,726.88/x
  3. Step 3: Cross multiply
    275,572.33x = 380,260.37 × 154,726.88
  4. Step 4: Simplify right side
    275,572.33x = 58,836,499,123.26
  5. Step 5: Solve for x
    x = 58,836,499,123.26/275,572.33
  6. Step 6: Final answer
    x = 213,506.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.