Home / 321,853.55-444,159.62-178,613.70

Finding the Fourth Proportional to 321,853.55, 444,159.62 and 178,613.70

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Solution

The fourth proportional to 321,853.55, 444,159.62 and 178,613.70 is: 246,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,853.55 : 444,159.62 = 178,613.70 : x
  2. Step 2: Convert to fraction form
    321,853.55/444,159.62 = 178,613.70/x
  3. Step 3: Cross multiply
    321,853.55x = 444,159.62 × 178,613.70
  4. Step 4: Simplify right side
    321,853.55x = 79,332,992,225.73
  5. Step 5: Solve for x
    x = 79,332,992,225.73/321,853.55
  6. Step 6: Final answer
    x = 246,487.86

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1.5x scale

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.