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Finding the Fourth Proportional to 247,604.78, 341,694.59 and 134,427.54

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Solution

The fourth proportional to 247,604.78, 341,694.59 and 134,427.54 is: 185,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,604.78 : 341,694.59 = 134,427.54 : x
  2. Step 2: Convert to fraction form
    247,604.78/341,694.59 = 134,427.54/x
  3. Step 3: Cross multiply
    247,604.78x = 341,694.59 × 134,427.54
  4. Step 4: Simplify right side
    247,604.78x = 45,933,163,165.01
  5. Step 5: Solve for x
    x = 45,933,163,165.01/247,604.78
  6. Step 6: Final answer
    x = 185,510.00

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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.