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Finding the Fourth Proportional to 342,310.03, 472,351.50 and 189,323.92

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Solution

The fourth proportional to 342,310.03, 472,351.50 and 189,323.92 is: 261,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,310.03 : 472,351.50 = 189,323.92 : x
  2. Step 2: Convert to fraction form
    342,310.03/472,351.50 = 189,323.92/x
  3. Step 3: Cross multiply
    342,310.03x = 472,351.50 × 189,323.92
  4. Step 4: Simplify right side
    342,310.03x = 89,427,437,597.88
  5. Step 5: Solve for x
    x = 89,427,437,597.88/342,310.03
  6. Step 6: Final answer
    x = 261,246.91

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Why These Related Problems?

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