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Finding the Fourth Proportional to 271,625.60, 407,476.80 and 84,617.60

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Solution

The fourth proportional to 271,625.60, 407,476.80 and 84,617.60 is: 126,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,625.60 : 407,476.80 = 84,617.60 : x
  2. Step 2: Convert to fraction form
    271,625.60/407,476.80 = 84,617.60/x
  3. Step 3: Cross multiply
    271,625.60x = 407,476.80 × 84,617.60
  4. Step 4: Simplify right side
    271,625.60x = 34,479,708,871.68
  5. Step 5: Solve for x
    x = 34,479,708,871.68/271,625.60
  6. Step 6: Final answer
    x = 126,938.36

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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.