Home / 245,726.13-338,972.00-169,112.21

Finding the Fourth Proportional to 245,726.13, 338,972.00 and 169,112.21

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Solution

The fourth proportional to 245,726.13, 338,972.00 and 169,112.21 is: 233,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,726.13 : 338,972.00 = 169,112.21 : x
  2. Step 2: Convert to fraction form
    245,726.13/338,972.00 = 169,112.21/x
  3. Step 3: Cross multiply
    245,726.13x = 338,972.00 × 169,112.21
  4. Step 4: Simplify right side
    245,726.13x = 57,324,304,049.99
  5. Step 5: Solve for x
    x = 57,324,304,049.99/245,726.13
  6. Step 6: Final answer
    x = 233,285.34

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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.