Home / 218,382.49-301,367.70-122,889.27

Finding the Fourth Proportional to 218,382.49, 301,367.70 and 122,889.27

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Solution

The fourth proportional to 218,382.49, 301,367.70 and 122,889.27 is: 169,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,382.49 : 301,367.70 = 122,889.27 : x
  2. Step 2: Convert to fraction form
    218,382.49/301,367.70 = 122,889.27/x
  3. Step 3: Cross multiply
    218,382.49x = 301,367.70 × 122,889.27
  4. Step 4: Simplify right side
    218,382.49x = 37,034,856,654.58
  5. Step 5: Solve for x
    x = 37,034,856,654.58/218,382.49
  6. Step 6: Final answer
    x = 169,587.12

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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.