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Finding the Fourth Proportional to 271,414.40, 407,145.90 and 113,610.20

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Solution

The fourth proportional to 271,414.40, 407,145.90 and 113,610.20 is: 170,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,414.40 : 407,145.90 = 113,610.20 : x
  2. Step 2: Convert to fraction form
    271,414.40/407,145.90 = 113,610.20/x
  3. Step 3: Cross multiply
    271,414.40x = 407,145.90 × 113,610.20
  4. Step 4: Simplify right side
    271,414.40x = 46,255,927,128.18
  5. Step 5: Solve for x
    x = 46,255,927,128.18/271,414.40
  6. Step 6: Final answer
    x = 170,425.47

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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.