Home / 247,949.20-342,257.64-147,346

Finding the Fourth Proportional to 247,949.20, 342,257.64 and 147,346

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Solution

The fourth proportional to 247,949.20, 342,257.64 and 147,346 is: 203,389.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,949.20 : 342,257.64 = 147,346 : x
  2. Step 2: Convert to fraction form
    247,949.20/342,257.64 = 147,346/x
  3. Step 3: Cross multiply
    247,949.20x = 342,257.64 × 147,346
  4. Step 4: Simplify right side
    247,949.20x = 50,430,294,223.44
  5. Step 5: Solve for x
    x = 50,430,294,223.44/247,949.20
  6. Step 6: Final answer
    x = 203,389.62

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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.