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Finding the Fourth Proportional to 247,008, 369,919.96 and 126,748.48

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Solution

The fourth proportional to 247,008, 369,919.96 and 126,748.48 is: 189,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,008 : 369,919.96 = 126,748.48 : x
  2. Step 2: Convert to fraction form
    247,008/369,919.96 = 126,748.48/x
  3. Step 3: Cross multiply
    247,008x = 369,919.96 × 126,748.48
  4. Step 4: Simplify right side
    247,008x = 46,886,792,651.66
  5. Step 5: Solve for x
    x = 46,886,792,651.66/247,008
  6. Step 6: Final answer
    x = 189,818.92

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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.