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Finding the Fourth Proportional to 552,634.10, 828,951.15 and 197,659.70

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Solution

The fourth proportional to 552,634.10, 828,951.15 and 197,659.70 is: 296,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,634.10 : 828,951.15 = 197,659.70 : x
  2. Step 2: Convert to fraction form
    552,634.10/828,951.15 = 197,659.70/x
  3. Step 3: Cross multiply
    552,634.10x = 828,951.15 × 197,659.70
  4. Step 4: Simplify right side
    552,634.10x = 163,850,235,623.66
  5. Step 5: Solve for x
    x = 163,850,235,623.66/552,634.10
  6. Step 6: Final answer
    x = 296,489.55

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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.