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Finding the Fourth Proportional to 541,288.40, 811,932.60 and 167,310.80

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Solution

The fourth proportional to 541,288.40, 811,932.60 and 167,310.80 is: 250,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,288.40 : 811,932.60 = 167,310.80 : x
  2. Step 2: Convert to fraction form
    541,288.40/811,932.60 = 167,310.80/x
  3. Step 3: Cross multiply
    541,288.40x = 811,932.60 × 167,310.80
  4. Step 4: Simplify right side
    541,288.40x = 135,845,092,852.08
  5. Step 5: Solve for x
    x = 135,845,092,852.08/541,288.40
  6. Step 6: Final answer
    x = 250,966.20

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Similar ratio
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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.