Home / 247,947.20-342,254.88-147,344

Finding the Fourth Proportional to 247,947.20, 342,254.88 and 147,344

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Solution

The fourth proportional to 247,947.20, 342,254.88 and 147,344 is: 203,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,947.20 : 342,254.88 = 147,344 : x
  2. Step 2: Convert to fraction form
    247,947.20/342,254.88 = 147,344/x
  3. Step 3: Cross multiply
    247,947.20x = 342,254.88 × 147,344
  4. Step 4: Simplify right side
    247,947.20x = 50,429,203,038.72
  5. Step 5: Solve for x
    x = 50,429,203,038.72/247,947.20
  6. Step 6: Final answer
    x = 203,386.86

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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.