Home / 397,109.54-547,969.32-235,942.68

Finding the Fourth Proportional to 397,109.54, 547,969.32 and 235,942.68

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Solution

The fourth proportional to 397,109.54, 547,969.32 and 235,942.68 is: 325,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,109.54 : 547,969.32 = 235,942.68 : x
  2. Step 2: Convert to fraction form
    397,109.54/547,969.32 = 235,942.68/x
  3. Step 3: Cross multiply
    397,109.54x = 547,969.32 × 235,942.68
  4. Step 4: Simplify right side
    397,109.54x = 129,289,349,918.58
  5. Step 5: Solve for x
    x = 129,289,349,918.58/397,109.54
  6. Step 6: Final answer
    x = 325,576.04

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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.