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Finding the Fourth Proportional to 220,288.29, 330,432.75 and 54,076.29

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Solution

The fourth proportional to 220,288.29, 330,432.75 and 54,076.29 is: 81,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,288.29 : 330,432.75 = 54,076.29 : x
  2. Step 2: Convert to fraction form
    220,288.29/330,432.75 = 54,076.29/x
  3. Step 3: Cross multiply
    220,288.29x = 330,432.75 × 54,076.29
  4. Step 4: Simplify right side
    220,288.29x = 17,868,577,214.50
  5. Step 5: Solve for x
    x = 17,868,577,214.50/220,288.29
  6. Step 6: Final answer
    x = 81,114.51

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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.