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Finding the Fourth Proportional to 247,783.82, 371,675.96 and 67,856.09

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Solution

The fourth proportional to 247,783.82, 371,675.96 and 67,856.09 is: 101,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,783.82 : 371,675.96 = 67,856.09 : x
  2. Step 2: Convert to fraction form
    247,783.82/371,675.96 = 67,856.09/x
  3. Step 3: Cross multiply
    247,783.82x = 371,675.96 × 67,856.09
  4. Step 4: Simplify right side
    247,783.82x = 25,220,475,194.94
  5. Step 5: Solve for x
    x = 25,220,475,194.94/247,783.82
  6. Step 6: Final answer
    x = 101,784.19

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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.