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Finding the Fourth Proportional to 274,550.12, 411,708.54 and 94,655.24

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Solution

The fourth proportional to 274,550.12, 411,708.54 and 94,655.24 is: 141,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,550.12 : 411,708.54 = 94,655.24 : x
  2. Step 2: Convert to fraction form
    274,550.12/411,708.54 = 94,655.24/x
  3. Step 3: Cross multiply
    274,550.12x = 411,708.54 × 94,655.24
  4. Step 4: Simplify right side
    274,550.12x = 38,970,370,663.75
  5. Step 5: Solve for x
    x = 38,970,370,663.75/274,550.12
  6. Step 6: Final answer
    x = 141,942.65

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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.