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Finding the Fourth Proportional to 281,544.66, 421,257.51 and 197,468.89

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Solution

The fourth proportional to 281,544.66, 421,257.51 and 197,468.89 is: 295,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,544.66 : 421,257.51 = 197,468.89 : x
  2. Step 2: Convert to fraction form
    281,544.66/421,257.51 = 197,468.89/x
  3. Step 3: Cross multiply
    281,544.66x = 421,257.51 × 197,468.89
  4. Step 4: Simplify right side
    281,544.66x = 83,185,251,850.72
  5. Step 5: Solve for x
    x = 83,185,251,850.72/281,544.66
  6. Step 6: Final answer
    x = 295,460.24

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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.