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Finding the Fourth Proportional to 552,276.88, 828,589.20 and 197,283.04

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Solution

The fourth proportional to 552,276.88, 828,589.20 and 197,283.04 is: 295,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,276.88 : 828,589.20 = 197,283.04 : x
  2. Step 2: Convert to fraction form
    552,276.88/828,589.20 = 197,283.04/x
  3. Step 3: Cross multiply
    552,276.88x = 828,589.20 × 197,283.04
  4. Step 4: Simplify right side
    552,276.88x = 163,466,596,287.17
  5. Step 5: Solve for x
    x = 163,466,596,287.17/552,276.88
  6. Step 6: Final answer
    x = 295,986.67

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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.