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Finding the Fourth Proportional to 153,304.65, 229,957.04 and 68,966.30

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Solution

The fourth proportional to 153,304.65, 229,957.04 and 68,966.30 is: 103,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,304.65 : 229,957.04 = 68,966.30 : x
  2. Step 2: Convert to fraction form
    153,304.65/229,957.04 = 68,966.30/x
  3. Step 3: Cross multiply
    153,304.65x = 229,957.04 × 68,966.30
  4. Step 4: Simplify right side
    153,304.65x = 15,859,285,862.92
  5. Step 5: Solve for x
    x = 15,859,285,862.92/153,304.65
  6. Step 6: Final answer
    x = 103,449.48

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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.