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Finding the Fourth Proportional to 282,269.48, 389,517.37 and 167,552.96

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Solution

The fourth proportional to 282,269.48, 389,517.37 and 167,552.96 is: 231,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,269.48 : 389,517.37 = 167,552.96 : x
  2. Step 2: Convert to fraction form
    282,269.48/389,517.37 = 167,552.96/x
  3. Step 3: Cross multiply
    282,269.48x = 389,517.37 × 167,552.96
  4. Step 4: Simplify right side
    282,269.48x = 65,264,785,948.45
  5. Step 5: Solve for x
    x = 65,264,785,948.45/282,269.48
  6. Step 6: Final answer
    x = 231,214.47

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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.