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Finding the Fourth Proportional to 247,007, 369,918.46 and 126,747.48

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Solution

The fourth proportional to 247,007, 369,918.46 and 126,747.48 is: 189,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,007 : 369,918.46 = 126,747.48 : x
  2. Step 2: Convert to fraction form
    247,007/369,918.46 = 126,747.48/x
  3. Step 3: Cross multiply
    247,007x = 369,918.46 × 126,747.48
  4. Step 4: Simplify right side
    247,007x = 46,886,232,610.48
  5. Step 5: Solve for x
    x = 46,886,232,610.48/247,007
  6. Step 6: Final answer
    x = 189,817.42

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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.