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Finding the Fourth Proportional to 536,550.55, 804,534.22 and 221,039.35

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Solution

The fourth proportional to 536,550.55, 804,534.22 and 221,039.35 is: 331,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,550.55 : 804,534.22 = 221,039.35 : x
  2. Step 2: Convert to fraction form
    536,550.55/804,534.22 = 221,039.35/x
  3. Step 3: Cross multiply
    536,550.55x = 804,534.22 × 221,039.35
  4. Step 4: Simplify right side
    536,550.55x = 177,833,721,041.56
  5. Step 5: Solve for x
    x = 177,833,721,041.56/536,550.55
  6. Step 6: Final answer
    x = 331,438.89

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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.