Home / 218,899.14-301,965.90-178,108.90

Finding the Fourth Proportional to 218,899.14, 301,965.90 and 178,108.90

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Solution

The fourth proportional to 218,899.14, 301,965.90 and 178,108.90 is: 245,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,899.14 : 301,965.90 = 178,108.90 : x
  2. Step 2: Convert to fraction form
    218,899.14/301,965.90 = 178,108.90/x
  3. Step 3: Cross multiply
    218,899.14x = 301,965.90 × 178,108.90
  4. Step 4: Simplify right side
    218,899.14x = 53,782,814,286.51
  5. Step 5: Solve for x
    x = 53,782,814,286.51/218,899.14
  6. Step 6: Final answer
    x = 245,696.78

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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.