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Finding the Fourth Proportional to 496,676.32, 745,125.52 and 181,133.20

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Solution

The fourth proportional to 496,676.32, 745,125.52 and 181,133.20 is: 271,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,676.32 : 745,125.52 = 181,133.20 : x
  2. Step 2: Convert to fraction form
    496,676.32/745,125.52 = 181,133.20/x
  3. Step 3: Cross multiply
    496,676.32x = 745,125.52 × 181,133.20
  4. Step 4: Simplify right side
    496,676.32x = 134,966,969,839.26
  5. Step 5: Solve for x
    x = 134,966,969,839.26/496,676.32
  6. Step 6: Final answer
    x = 271,740.30

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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.