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Finding the Fourth Proportional to 552,278.88, 828,592.32 and 197,285.04

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Solution

The fourth proportional to 552,278.88, 828,592.32 and 197,285.04 is: 295,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,278.88 : 828,592.32 = 197,285.04 : x
  2. Step 2: Convert to fraction form
    552,278.88/828,592.32 = 197,285.04/x
  3. Step 3: Cross multiply
    552,278.88x = 828,592.32 × 197,285.04
  4. Step 4: Simplify right side
    552,278.88x = 163,468,868,994.89
  5. Step 5: Solve for x
    x = 163,468,868,994.89/552,278.88
  6. Step 6: Final answer
    x = 295,989.72

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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.