Home / 247,948.20-371,922.30-148,415.40

Finding the Fourth Proportional to 247,948.20, 371,922.30 and 148,415.40

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Solution

The fourth proportional to 247,948.20, 371,922.30 and 148,415.40 is: 222,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,948.20 : 371,922.30 = 148,415.40 : x
  2. Step 2: Convert to fraction form
    247,948.20/371,922.30 = 148,415.40/x
  3. Step 3: Cross multiply
    247,948.20x = 371,922.30 × 148,415.40
  4. Step 4: Simplify right side
    247,948.20x = 55,198,996,923.42
  5. Step 5: Solve for x
    x = 55,198,996,923.42/247,948.20
  6. Step 6: Final answer
    x = 222,623.10

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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.