Home / 281,765.12-388,957.56-168,566

Finding the Fourth Proportional to 281,765.12, 388,957.56 and 168,566

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Solution

The fourth proportional to 281,765.12, 388,957.56 and 168,566 is: 232,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,765.12 : 388,957.56 = 168,566 : x
  2. Step 2: Convert to fraction form
    281,765.12/388,957.56 = 168,566/x
  3. Step 3: Cross multiply
    281,765.12x = 388,957.56 × 168,566
  4. Step 4: Simplify right side
    281,765.12x = 65,565,020,058.96
  5. Step 5: Solve for x
    x = 65,565,020,058.96/281,765.12
  6. Step 6: Final answer
    x = 232,693.88

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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.