Home / 281,149.60-421,257.84-197,868.64

Finding the Fourth Proportional to 281,149.60, 421,257.84 and 197,868.64

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Solution

The fourth proportional to 281,149.60, 421,257.84 and 197,868.64 is: 296,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,149.60 : 421,257.84 = 197,868.64 : x
  2. Step 2: Convert to fraction form
    281,149.60/421,257.84 = 197,868.64/x
  3. Step 3: Cross multiply
    281,149.60x = 421,257.84 × 197,868.64
  4. Step 4: Simplify right side
    281,149.60x = 83,353,715,890.14
  5. Step 5: Solve for x
    x = 83,353,715,890.14/281,149.60
  6. Step 6: Final answer
    x = 296,474.60

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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.