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Finding the Fourth Proportional to 271,882.74, 407,832.48 and 129,743.40

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Solution

The fourth proportional to 271,882.74, 407,832.48 and 129,743.40 is: 194,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,882.74 : 407,832.48 = 129,743.40 : x
  2. Step 2: Convert to fraction form
    271,882.74/407,832.48 = 129,743.40/x
  3. Step 3: Cross multiply
    271,882.74x = 407,832.48 × 129,743.40
  4. Step 4: Simplify right side
    271,882.74x = 52,913,572,585.63
  5. Step 5: Solve for x
    x = 52,913,572,585.63/271,882.74
  6. Step 6: Final answer
    x = 194,619.09

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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.