Home / 312,945.93-469,546.47-113,287.41

Finding the Fourth Proportional to 312,945.93, 469,546.47 and 113,287.41

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Solution

The fourth proportional to 312,945.93, 469,546.47 and 113,287.41 is: 169,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,945.93 : 469,546.47 = 113,287.41 : x
  2. Step 2: Convert to fraction form
    312,945.93/469,546.47 = 113,287.41/x
  3. Step 3: Cross multiply
    312,945.93x = 469,546.47 × 113,287.41
  4. Step 4: Simplify right side
    312,945.93x = 53,193,703,460.94
  5. Step 5: Solve for x
    x = 53,193,703,460.94/312,945.93
  6. Step 6: Final answer
    x = 169,977.30

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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.