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Finding the Fourth Proportional to 220,304.72, 330,013.56 and 101,812.88

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Solution

The fourth proportional to 220,304.72, 330,013.56 and 101,812.88 is: 152,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,304.72 : 330,013.56 = 101,812.88 : x
  2. Step 2: Convert to fraction form
    220,304.72/330,013.56 = 101,812.88/x
  3. Step 3: Cross multiply
    220,304.72x = 330,013.56 × 101,812.88
  4. Step 4: Simplify right side
    220,304.72x = 33,599,630,982.65
  5. Step 5: Solve for x
    x = 33,599,630,982.65/220,304.72
  6. Step 6: Final answer
    x = 152,514.35

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1.5x scale

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.