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Finding the Fourth Proportional to 313,986, 433,339.92 and 179,850

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Solution

The fourth proportional to 313,986, 433,339.92 and 179,850 is: 248,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,986 : 433,339.92 = 179,850 : x
  2. Step 2: Convert to fraction form
    313,986/433,339.92 = 179,850/x
  3. Step 3: Cross multiply
    313,986x = 433,339.92 × 179,850
  4. Step 4: Simplify right side
    313,986x = 77,936,184,612
  5. Step 5: Solve for x
    x = 77,936,184,612/313,986
  6. Step 6: Final answer
    x = 248,215.48

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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.