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Finding the Fourth Proportional to 536,536.80, 804,513.60 and 221,025.60

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Solution

The fourth proportional to 536,536.80, 804,513.60 and 221,025.60 is: 331,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,536.80 : 804,513.60 = 221,025.60 : x
  2. Step 2: Convert to fraction form
    536,536.80/804,513.60 = 221,025.60/x
  3. Step 3: Cross multiply
    536,536.80x = 804,513.60 × 221,025.60
  4. Step 4: Simplify right side
    536,536.80x = 177,818,101,148.16
  5. Step 5: Solve for x
    x = 177,818,101,148.16/536,536.80
  6. Step 6: Final answer
    x = 331,418.28

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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.