Home / 228,936.20-343,429.90-71,163.40

Finding the Fourth Proportional to 228,936.20, 343,429.90 and 71,163.40

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Solution

The fourth proportional to 228,936.20, 343,429.90 and 71,163.40 is: 106,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,936.20 : 343,429.90 = 71,163.40 : x
  2. Step 2: Convert to fraction form
    228,936.20/343,429.90 = 71,163.40/x
  3. Step 3: Cross multiply
    228,936.20x = 343,429.90 × 71,163.40
  4. Step 4: Simplify right side
    228,936.20x = 24,439,639,345.66
  5. Step 5: Solve for x
    x = 24,439,639,345.66/228,936.20
  6. Step 6: Final answer
    x = 106,753.06

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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.