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Finding the Fourth Proportional to 271,825.20, 407,737.80 and 247,330.80

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Solution

The fourth proportional to 271,825.20, 407,737.80 and 247,330.80 is: 370,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,825.20 : 407,737.80 = 247,330.80 : x
  2. Step 2: Convert to fraction form
    271,825.20/407,737.80 = 247,330.80/x
  3. Step 3: Cross multiply
    271,825.20x = 407,737.80 × 247,330.80
  4. Step 4: Simplify right side
    271,825.20x = 100,846,116,264.24
  5. Step 5: Solve for x
    x = 100,846,116,264.24/271,825.20
  6. Step 6: Final answer
    x = 370,996.20

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1.5x scale

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.