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Finding the Fourth Proportional to 197,228.80, 295,843.20 and 164,423.80

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Solution

The fourth proportional to 197,228.80, 295,843.20 and 164,423.80 is: 246,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,228.80 : 295,843.20 = 164,423.80 : x
  2. Step 2: Convert to fraction form
    197,228.80/295,843.20 = 164,423.80/x
  3. Step 3: Cross multiply
    197,228.80x = 295,843.20 × 164,423.80
  4. Step 4: Simplify right side
    197,228.80x = 48,643,663,148.16
  5. Step 5: Solve for x
    x = 48,643,663,148.16/197,228.80
  6. Step 6: Final answer
    x = 246,635.70

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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.