Home / 251,899.82-347,634.62-143,011.79

Finding the Fourth Proportional to 251,899.82, 347,634.62 and 143,011.79

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Solution

The fourth proportional to 251,899.82, 347,634.62 and 143,011.79 is: 197,363.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,899.82 : 347,634.62 = 143,011.79 : x
  2. Step 2: Convert to fraction form
    251,899.82/347,634.62 = 143,011.79/x
  3. Step 3: Cross multiply
    251,899.82x = 347,634.62 × 143,011.79
  4. Step 4: Simplify right side
    251,899.82x = 49,715,846,818.94
  5. Step 5: Solve for x
    x = 49,715,846,818.94/251,899.82
  6. Step 6: Final answer
    x = 197,363.57

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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.