Home / 218,456.27-301,397.55-178,100.65

Finding the Fourth Proportional to 218,456.27, 301,397.55 and 178,100.65

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Solution

The fourth proportional to 218,456.27, 301,397.55 and 178,100.65 is: 245,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,456.27 : 301,397.55 = 178,100.65 : x
  2. Step 2: Convert to fraction form
    218,456.27/301,397.55 = 178,100.65/x
  3. Step 3: Cross multiply
    218,456.27x = 301,397.55 × 178,100.65
  4. Step 4: Simplify right side
    218,456.27x = 53,679,099,563.41
  5. Step 5: Solve for x
    x = 53,679,099,563.41/218,456.27
  6. Step 6: Final answer
    x = 245,720.11

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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.