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Finding the Fourth Proportional to 540,846.30, 811,270.82 and 220,998.16

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Solution

The fourth proportional to 540,846.30, 811,270.82 and 220,998.16 is: 331,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,846.30 : 811,270.82 = 220,998.16 : x
  2. Step 2: Convert to fraction form
    540,846.30/811,270.82 = 220,998.16/x
  3. Step 3: Cross multiply
    540,846.30x = 811,270.82 × 220,998.16
  4. Step 4: Simplify right side
    540,846.30x = 179,289,358,481.69
  5. Step 5: Solve for x
    x = 179,289,358,481.69/540,846.30
  6. Step 6: Final answer
    x = 331,497.80

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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.