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Finding the Fourth Proportional to 271,671.78, 406,744.65 and 220,768.14

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Solution

The fourth proportional to 271,671.78, 406,744.65 and 220,768.14 is: 330,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,671.78 : 406,744.65 = 220,768.14 : x
  2. Step 2: Convert to fraction form
    271,671.78/406,744.65 = 220,768.14/x
  3. Step 3: Cross multiply
    271,671.78x = 406,744.65 × 220,768.14
  4. Step 4: Simplify right side
    271,671.78x = 89,796,259,835.45
  5. Step 5: Solve for x
    x = 89,796,259,835.45/271,671.78
  6. Step 6: Final answer
    x = 330,532.16

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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.