Home / 472,399.11-708,873.09-198,825.21

Finding the Fourth Proportional to 472,399.11, 708,873.09 and 198,825.21

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Solution

The fourth proportional to 472,399.11, 708,873.09 and 198,825.21 is: 298,353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,399.11 : 708,873.09 = 198,825.21 : x
  2. Step 2: Convert to fraction form
    472,399.11/708,873.09 = 198,825.21/x
  3. Step 3: Cross multiply
    472,399.11x = 708,873.09 × 198,825.21
  4. Step 4: Simplify right side
    472,399.11x = 140,941,840,982.60
  5. Step 5: Solve for x
    x = 140,941,840,982.60/472,399.11
  6. Step 6: Final answer
    x = 298,353.32

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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.