Home / 247,941.20-371,911.80-148,408.40

Finding the Fourth Proportional to 247,941.20, 371,911.80 and 148,408.40

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Solution

The fourth proportional to 247,941.20, 371,911.80 and 148,408.40 is: 222,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,941.20 : 371,911.80 = 148,408.40 : x
  2. Step 2: Convert to fraction form
    247,941.20/371,911.80 = 148,408.40/x
  3. Step 3: Cross multiply
    247,941.20x = 371,911.80 × 148,408.40
  4. Step 4: Simplify right side
    247,941.20x = 55,194,835,179.12
  5. Step 5: Solve for x
    x = 55,194,835,179.12/247,941.20
  6. Step 6: Final answer
    x = 222,612.60

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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.