Home / 479,139.11-718,553.18-159,205.06

Finding the Fourth Proportional to 479,139.11, 718,553.18 and 159,205.06

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Solution

The fourth proportional to 479,139.11, 718,553.18 and 159,205.06 is: 238,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,139.11 : 718,553.18 = 159,205.06 : x
  2. Step 2: Convert to fraction form
    479,139.11/718,553.18 = 159,205.06/x
  3. Step 3: Cross multiply
    479,139.11x = 718,553.18 × 159,205.06
  4. Step 4: Simplify right side
    479,139.11x = 114,397,305,058.93
  5. Step 5: Solve for x
    x = 114,397,305,058.93/479,139.11
  6. Step 6: Final answer
    x = 238,755.93

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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.