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Finding the Fourth Proportional to 496,537.80, 744,806.70 and 122,560.80

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Solution

The fourth proportional to 496,537.80, 744,806.70 and 122,560.80 is: 183,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,537.80 : 744,806.70 = 122,560.80 : x
  2. Step 2: Convert to fraction form
    496,537.80/744,806.70 = 122,560.80/x
  3. Step 3: Cross multiply
    496,537.80x = 744,806.70 × 122,560.80
  4. Step 4: Simplify right side
    496,537.80x = 91,284,104,997.36
  5. Step 5: Solve for x
    x = 91,284,104,997.36/496,537.80
  6. Step 6: Final answer
    x = 183,841.20

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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.