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Finding the Fourth Proportional to 496,812.20, 745,218.30 and 181,228.10

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Solution

The fourth proportional to 496,812.20, 745,218.30 and 181,228.10 is: 271,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,812.20 : 745,218.30 = 181,228.10 : x
  2. Step 2: Convert to fraction form
    496,812.20/745,218.30 = 181,228.10/x
  3. Step 3: Cross multiply
    496,812.20x = 745,218.30 × 181,228.10
  4. Step 4: Simplify right side
    496,812.20x = 135,054,496,594.23
  5. Step 5: Solve for x
    x = 135,054,496,594.23/496,812.20
  6. Step 6: Final answer
    x = 271,842.15

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Similar ratio
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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.