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Finding the Fourth Proportional to 147,066.72, 220,600.80 and 41,884.80

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Solution

The fourth proportional to 147,066.72, 220,600.80 and 41,884.80 is: 62,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,066.72 : 220,600.80 = 41,884.80 : x
  2. Step 2: Convert to fraction form
    147,066.72/220,600.80 = 41,884.80/x
  3. Step 3: Cross multiply
    147,066.72x = 220,600.80 × 41,884.80
  4. Step 4: Simplify right side
    147,066.72x = 9,239,820,387.84
  5. Step 5: Solve for x
    x = 9,239,820,387.84/147,066.72
  6. Step 6: Final answer
    x = 62,827.41

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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.