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Finding the Fourth Proportional to 488,900.26, 733,318.92 and 169,043.42

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Solution

The fourth proportional to 488,900.26, 733,318.92 and 169,043.42 is: 253,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,900.26 : 733,318.92 = 169,043.42 : x
  2. Step 2: Convert to fraction form
    488,900.26/733,318.92 = 169,043.42/x
  3. Step 3: Cross multiply
    488,900.26x = 733,318.92 × 169,043.42
  4. Step 4: Simplify right side
    488,900.26x = 123,962,738,187.51
  5. Step 5: Solve for x
    x = 123,962,738,187.51/488,900.26
  6. Step 6: Final answer
    x = 253,554.25

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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.