Home / 438,905.80-605,727.30-247,954.24

Finding the Fourth Proportional to 438,905.80, 605,727.30 and 247,954.24

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Solution

The fourth proportional to 438,905.80, 605,727.30 and 247,954.24 is: 342,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,905.80 : 605,727.30 = 247,954.24 : x
  2. Step 2: Convert to fraction form
    438,905.80/605,727.30 = 247,954.24/x
  3. Step 3: Cross multiply
    438,905.80x = 605,727.30 × 247,954.24
  4. Step 4: Simplify right side
    438,905.80x = 150,192,652,318.75
  5. Step 5: Solve for x
    x = 150,192,652,318.75/438,905.80
  6. Step 6: Final answer
    x = 342,197.92

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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.