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Finding the Fourth Proportional to 298,951.34, 412,319.57 and 191,531.43

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Solution

The fourth proportional to 298,951.34, 412,319.57 and 191,531.43 is: 264,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,951.34 : 412,319.57 = 191,531.43 : x
  2. Step 2: Convert to fraction form
    298,951.34/412,319.57 = 191,531.43/x
  3. Step 3: Cross multiply
    298,951.34x = 412,319.57 × 191,531.43
  4. Step 4: Simplify right side
    298,951.34x = 78,972,155,901.43
  5. Step 5: Solve for x
    x = 78,972,155,901.43/298,951.34
  6. Step 6: Final answer
    x = 264,163.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.