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Finding the Fourth Proportional to 552,072.84, 828,284.22 and 197,079

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Solution

The fourth proportional to 552,072.84, 828,284.22 and 197,079 is: 295,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,072.84 : 828,284.22 = 197,079 : x
  2. Step 2: Convert to fraction form
    552,072.84/828,284.22 = 197,079/x
  3. Step 3: Cross multiply
    552,072.84x = 828,284.22 × 197,079
  4. Step 4: Simplify right side
    552,072.84x = 163,237,425,793.38
  5. Step 5: Solve for x
    x = 163,237,425,793.38/552,072.84
  6. Step 6: Final answer
    x = 295,680.96

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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.