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Finding the Fourth Proportional to 552,185.20, 828,253.71 and 173,097.28

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Solution

The fourth proportional to 552,185.20, 828,253.71 and 173,097.28 is: 259,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,185.20 : 828,253.71 = 173,097.28 : x
  2. Step 2: Convert to fraction form
    552,185.20/828,253.71 = 173,097.28/x
  3. Step 3: Cross multiply
    552,185.20x = 828,253.71 × 173,097.28
  4. Step 4: Simplify right side
    552,185.20x = 143,368,467,872.08
  5. Step 5: Solve for x
    x = 143,368,467,872.08/552,185.20
  6. Step 6: Final answer
    x = 259,638.37

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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.