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Finding the Fourth Proportional to 271,843.52, 407,750.88 and 84,833.60

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Solution

The fourth proportional to 271,843.52, 407,750.88 and 84,833.60 is: 127,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,843.52 : 407,750.88 = 84,833.60 : x
  2. Step 2: Convert to fraction form
    271,843.52/407,750.88 = 84,833.60/x
  3. Step 3: Cross multiply
    271,843.52x = 407,750.88 × 84,833.60
  4. Step 4: Simplify right side
    271,843.52x = 34,590,975,053.57
  5. Step 5: Solve for x
    x = 34,590,975,053.57/271,843.52
  6. Step 6: Final answer
    x = 127,245.91

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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.