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Finding the Fourth Proportional to 247,046.45, 370,591.55 and 69,555

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Solution

The fourth proportional to 247,046.45, 370,591.55 and 69,555 is: 104,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,046.45 : 370,591.55 = 69,555 : x
  2. Step 2: Convert to fraction form
    247,046.45/370,591.55 = 69,555/x
  3. Step 3: Cross multiply
    247,046.45x = 370,591.55 × 69,555
  4. Step 4: Simplify right side
    247,046.45x = 25,776,495,260.25
  5. Step 5: Solve for x
    x = 25,776,495,260.25/247,046.45
  6. Step 6: Final answer
    x = 104,338.66

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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.