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Finding the Fourth Proportional to 220,441.10, 330,775.41 and 94,047.41

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Solution

The fourth proportional to 220,441.10, 330,775.41 and 94,047.41 is: 141,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,441.10 : 330,775.41 = 94,047.41 : x
  2. Step 2: Convert to fraction form
    220,441.10/330,775.41 = 94,047.41/x
  3. Step 3: Cross multiply
    220,441.10x = 330,775.41 × 94,047.41
  4. Step 4: Simplify right side
    220,441.10x = 31,108,571,781.80
  5. Step 5: Solve for x
    x = 31,108,571,781.80/220,441.10
  6. Step 6: Final answer
    x = 141,119.66

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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.