Home / 654,470.19-981,726.75-181,115.91

Finding the Fourth Proportional to 654,470.19, 981,726.75 and 181,115.91

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Solution

The fourth proportional to 654,470.19, 981,726.75 and 181,115.91 is: 271,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,470.19 : 981,726.75 = 181,115.91 : x
  2. Step 2: Convert to fraction form
    654,470.19/981,726.75 = 181,115.91/x
  3. Step 3: Cross multiply
    654,470.19x = 981,726.75 × 181,115.91
  4. Step 4: Simplify right side
    654,470.19x = 177,806,333,697.59
  5. Step 5: Solve for x
    x = 177,806,333,697.59/654,470.19
  6. Step 6: Final answer
    x = 271,679.81

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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.