Home / 347,426.27-521,229.25-203,453.68

Finding the Fourth Proportional to 347,426.27, 521,229.25 and 203,453.68

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Solution

The fourth proportional to 347,426.27, 521,229.25 and 203,453.68 is: 305,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,426.27 : 521,229.25 = 203,453.68 : x
  2. Step 2: Convert to fraction form
    347,426.27/521,229.25 = 203,453.68/x
  3. Step 3: Cross multiply
    347,426.27x = 521,229.25 × 203,453.68
  4. Step 4: Simplify right side
    347,426.27x = 106,046,009,036.14
  5. Step 5: Solve for x
    x = 106,046,009,036.14/347,426.27
  6. Step 6: Final answer
    x = 305,233.13

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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.