Home / 228,664.80-342,997.20-70,941.60

Finding the Fourth Proportional to 228,664.80, 342,997.20 and 70,941.60

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Solution

The fourth proportional to 228,664.80, 342,997.20 and 70,941.60 is: 106,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,664.80 : 342,997.20 = 70,941.60 : x
  2. Step 2: Convert to fraction form
    228,664.80/342,997.20 = 70,941.60/x
  3. Step 3: Cross multiply
    228,664.80x = 342,997.20 × 70,941.60
  4. Step 4: Simplify right side
    228,664.80x = 24,332,770,163.52
  5. Step 5: Solve for x
    x = 24,332,770,163.52/228,664.80
  6. Step 6: Final answer
    x = 106,412.40

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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.