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Finding the Fourth Proportional to 552,385.38, 828,578.13 and 173,364.60

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Solution

The fourth proportional to 552,385.38, 828,578.13 and 173,364.60 is: 260,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,385.38 : 828,578.13 = 173,364.60 : x
  2. Step 2: Convert to fraction form
    552,385.38/828,578.13 = 173,364.60/x
  3. Step 3: Cross multiply
    552,385.38x = 828,578.13 × 173,364.60
  4. Step 4: Simplify right side
    552,385.38x = 143,646,116,076.20
  5. Step 5: Solve for x
    x = 143,646,116,076.20/552,385.38
  6. Step 6: Final answer
    x = 260,046.92

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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.