Home / 352,353.38-486,065.75-223,072.92

Finding the Fourth Proportional to 352,353.38, 486,065.75 and 223,072.92

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Solution

The fourth proportional to 352,353.38, 486,065.75 and 223,072.92 is: 307,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,353.38 : 486,065.75 = 223,072.92 : x
  2. Step 2: Convert to fraction form
    352,353.38/486,065.75 = 223,072.92/x
  3. Step 3: Cross multiply
    352,353.38x = 486,065.75 × 223,072.92
  4. Step 4: Simplify right side
    352,353.38x = 108,428,105,049.13
  5. Step 5: Solve for x
    x = 108,428,105,049.13/352,353.38
  6. Step 6: Final answer
    x = 307,725.46

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1.5x scale

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.