Home / 218,845.73-328,268.63-168,998.54

Finding the Fourth Proportional to 218,845.73, 328,268.63 and 168,998.54

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Solution

The fourth proportional to 218,845.73, 328,268.63 and 168,998.54 is: 253,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,845.73 : 328,268.63 = 168,998.54 : x
  2. Step 2: Convert to fraction form
    218,845.73/328,268.63 = 168,998.54/x
  3. Step 3: Cross multiply
    218,845.73x = 328,268.63 × 168,998.54
  4. Step 4: Simplify right side
    218,845.73x = 55,476,916,711.46
  5. Step 5: Solve for x
    x = 55,476,916,711.46/218,845.73
  6. Step 6: Final answer
    x = 253,497.83

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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.