Home / 300,676.20-414,733.38-193,381.98

Finding the Fourth Proportional to 300,676.20, 414,733.38 and 193,381.98

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Solution

The fourth proportional to 300,676.20, 414,733.38 and 193,381.98 is: 266,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,676.20 : 414,733.38 = 193,381.98 : x
  2. Step 2: Convert to fraction form
    300,676.20/414,733.38 = 193,381.98/x
  3. Step 3: Cross multiply
    300,676.20x = 414,733.38 × 193,381.98
  4. Step 4: Simplify right side
    300,676.20x = 80,201,962,196.49
  5. Step 5: Solve for x
    x = 80,201,962,196.49/300,676.20
  6. Step 6: Final answer
    x = 266,738.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.