Home / 312,849.82-469,343.04-113,149.36

Finding the Fourth Proportional to 312,849.82, 469,343.04 and 113,149.36

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Solution

The fourth proportional to 312,849.82, 469,343.04 and 113,149.36 is: 169,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,849.82 : 469,343.04 = 113,149.36 : x
  2. Step 2: Convert to fraction form
    312,849.82/469,343.04 = 113,149.36/x
  3. Step 3: Cross multiply
    312,849.82x = 469,343.04 × 113,149.36
  4. Step 4: Simplify right side
    312,849.82x = 53,105,864,596.45
  5. Step 5: Solve for x
    x = 53,105,864,596.45/312,849.82
  6. Step 6: Final answer
    x = 169,748.75

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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.