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Finding the Fourth Proportional to 282,104.72, 389,304.50 and 161,248.60

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Solution

The fourth proportional to 282,104.72, 389,304.50 and 161,248.60 is: 222,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,104.72 : 389,304.50 = 161,248.60 : x
  2. Step 2: Convert to fraction form
    282,104.72/389,304.50 = 161,248.60/x
  3. Step 3: Cross multiply
    282,104.72x = 389,304.50 × 161,248.60
  4. Step 4: Simplify right side
    282,104.72x = 62,774,805,598.70
  5. Step 5: Solve for x
    x = 62,774,805,598.70/282,104.72
  6. Step 6: Final answer
    x = 222,523.06

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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.