Home / 496,049.23-744,072.18-136,220.39

Finding the Fourth Proportional to 496,049.23, 744,072.18 and 136,220.39

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Solution

The fourth proportional to 496,049.23, 744,072.18 and 136,220.39 is: 204,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,049.23 : 744,072.18 = 136,220.39 : x
  2. Step 2: Convert to fraction form
    496,049.23/744,072.18 = 136,220.39/x
  3. Step 3: Cross multiply
    496,049.23x = 744,072.18 × 136,220.39
  4. Step 4: Simplify right side
    496,049.23x = 101,357,804,149.99
  5. Step 5: Solve for x
    x = 101,357,804,149.99/496,049.23
  6. Step 6: Final answer
    x = 204,330.13

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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.