Home / 274,748.20-412,122.30-247,629.40

Finding the Fourth Proportional to 274,748.20, 412,122.30 and 247,629.40

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Solution

The fourth proportional to 274,748.20, 412,122.30 and 247,629.40 is: 371,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,748.20 : 412,122.30 = 247,629.40 : x
  2. Step 2: Convert to fraction form
    274,748.20/412,122.30 = 247,629.40/x
  3. Step 3: Cross multiply
    274,748.20x = 412,122.30 × 247,629.40
  4. Step 4: Simplify right side
    274,748.20x = 102,053,597,875.62
  5. Step 5: Solve for x
    x = 102,053,597,875.62/274,748.20
  6. Step 6: Final answer
    x = 371,444.10

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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.