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Finding the Fourth Proportional to 394,527.78, 592,212.87 and 169,999.02

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Solution

The fourth proportional to 394,527.78, 592,212.87 and 169,999.02 is: 255,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,527.78 : 592,212.87 = 169,999.02 : x
  2. Step 2: Convert to fraction form
    394,527.78/592,212.87 = 169,999.02/x
  3. Step 3: Cross multiply
    394,527.78x = 592,212.87 × 169,999.02
  4. Step 4: Simplify right side
    394,527.78x = 100,675,607,531.39
  5. Step 5: Solve for x
    x = 100,675,607,531.39/394,527.78
  6. Step 6: Final answer
    x = 255,180.02

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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.