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Finding the Fourth Proportional to 536,580.30, 804,578.85 and 221,069.10

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Solution

The fourth proportional to 536,580.30, 804,578.85 and 221,069.10 is: 331,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,580.30 : 804,578.85 = 221,069.10 : x
  2. Step 2: Convert to fraction form
    536,580.30/804,578.85 = 221,069.10/x
  3. Step 3: Cross multiply
    536,580.30x = 804,578.85 × 221,069.10
  4. Step 4: Simplify right side
    536,580.30x = 177,867,522,248.54
  5. Step 5: Solve for x
    x = 177,867,522,248.54/536,580.30
  6. Step 6: Final answer
    x = 331,483.51

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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.