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Finding the Fourth Proportional to 271,293.40, 406,940.10 and 177,853.40

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Solution

The fourth proportional to 271,293.40, 406,940.10 and 177,853.40 is: 266,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,293.40 : 406,940.10 = 177,853.40 : x
  2. Step 2: Convert to fraction form
    271,293.40/406,940.10 = 177,853.40/x
  3. Step 3: Cross multiply
    271,293.40x = 406,940.10 × 177,853.40
  4. Step 4: Simplify right side
    271,293.40x = 72,375,680,381.34
  5. Step 5: Solve for x
    x = 72,375,680,381.34/271,293.40
  6. Step 6: Final answer
    x = 266,780.10

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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.