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Finding the Fourth Proportional to 496,674.13, 745,122.24 and 181,131.03

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Solution

The fourth proportional to 496,674.13, 745,122.24 and 181,131.03 is: 271,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,674.13 : 745,122.24 = 181,131.03 : x
  2. Step 2: Convert to fraction form
    496,674.13/745,122.24 = 181,131.03/x
  3. Step 3: Cross multiply
    496,674.13x = 745,122.24 × 181,131.03
  4. Step 4: Simplify right side
    496,674.13x = 134,964,760,619.08
  5. Step 5: Solve for x
    x = 134,964,760,619.08/496,674.13
  6. Step 6: Final answer
    x = 271,737.05

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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.