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Finding the Fourth Proportional to 536,504.80, 804,757.04 and 137,146.40

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Solution

The fourth proportional to 536,504.80, 804,757.04 and 137,146.40 is: 205,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,504.80 : 804,757.04 = 137,146.40 : x
  2. Step 2: Convert to fraction form
    536,504.80/804,757.04 = 137,146.40/x
  3. Step 3: Cross multiply
    536,504.80x = 804,757.04 × 137,146.40
  4. Step 4: Simplify right side
    536,504.80x = 110,369,530,910.66
  5. Step 5: Solve for x
    x = 110,369,530,910.66/536,504.80
  6. Step 6: Final answer
    x = 205,719.56

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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.