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Finding the Fourth Proportional to 536,410.40, 804,103.60 and 199,360.80

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Solution

The fourth proportional to 536,410.40, 804,103.60 and 199,360.80 is: 298,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,410.40 : 804,103.60 = 199,360.80 : x
  2. Step 2: Convert to fraction form
    536,410.40/804,103.60 = 199,360.80/x
  3. Step 3: Cross multiply
    536,410.40x = 804,103.60 × 199,360.80
  4. Step 4: Simplify right side
    536,410.40x = 160,306,736,978.88
  5. Step 5: Solve for x
    x = 160,306,736,978.88/536,410.40
  6. Step 6: Final answer
    x = 298,850.91

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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.