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Finding the Fourth Proportional to 220,158.12, 330,237.06 and 53,946.12

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Solution

The fourth proportional to 220,158.12, 330,237.06 and 53,946.12 is: 80,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,158.12 : 330,237.06 = 53,946.12 : x
  2. Step 2: Convert to fraction form
    220,158.12/330,237.06 = 53,946.12/x
  3. Step 3: Cross multiply
    220,158.12x = 330,237.06 × 53,946.12
  4. Step 4: Simplify right side
    220,158.12x = 17,815,008,067.21
  5. Step 5: Solve for x
    x = 17,815,008,067.21/220,158.12
  6. Step 6: Final answer
    x = 80,919.15

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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.