Home / 282,404.27-389,727.05-161,545.79

Finding the Fourth Proportional to 282,404.27, 389,727.05 and 161,545.79

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Solution

The fourth proportional to 282,404.27, 389,727.05 and 161,545.79 is: 222,938.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,404.27 : 389,727.05 = 161,545.79 : x
  2. Step 2: Convert to fraction form
    282,404.27/389,727.05 = 161,545.79/x
  3. Step 3: Cross multiply
    282,404.27x = 389,727.05 × 161,545.79
  4. Step 4: Simplify right side
    282,404.27x = 62,958,761,420.26
  5. Step 5: Solve for x
    x = 62,958,761,420.26/282,404.27
  6. Step 6: Final answer
    x = 222,938.42

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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.