Home / 312,849.12-469,273.52-113,165.09

Finding the Fourth Proportional to 312,849.12, 469,273.52 and 113,165.09

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Solution

The fourth proportional to 312,849.12, 469,273.52 and 113,165.09 is: 169,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,849.12 : 469,273.52 = 113,165.09 : x
  2. Step 2: Convert to fraction form
    312,849.12/469,273.52 = 113,165.09/x
  3. Step 3: Cross multiply
    312,849.12x = 469,273.52 × 113,165.09
  4. Step 4: Simplify right side
    312,849.12x = 53,105,377,213.22
  5. Step 5: Solve for x
    x = 53,105,377,213.22/312,849.12
  6. Step 6: Final answer
    x = 169,747.57

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1.5x scale

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.