Home / 324,869.47-486,878.61-156,053.91

Finding the Fourth Proportional to 324,869.47, 486,878.61 and 156,053.91

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Solution

The fourth proportional to 324,869.47, 486,878.61 and 156,053.91 is: 233,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,869.47 : 486,878.61 = 156,053.91 : x
  2. Step 2: Convert to fraction form
    324,869.47/486,878.61 = 156,053.91/x
  3. Step 3: Cross multiply
    324,869.47x = 486,878.61 × 156,053.91
  4. Step 4: Simplify right side
    324,869.47x = 75,979,310,785.87
  5. Step 5: Solve for x
    x = 75,979,310,785.87/324,869.47
  6. Step 6: Final answer
    x = 233,876.43

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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.