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Finding the Fourth Proportional to 550,490.46, 825,537.54 and 190,563.54

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Solution

The fourth proportional to 550,490.46, 825,537.54 and 190,563.54 is: 285,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,490.46 : 825,537.54 = 190,563.54 : x
  2. Step 2: Convert to fraction form
    550,490.46/825,537.54 = 190,563.54/x
  3. Step 3: Cross multiply
    550,490.46x = 825,537.54 × 190,563.54
  4. Step 4: Simplify right side
    550,490.46x = 157,317,356,025.29
  5. Step 5: Solve for x
    x = 157,317,356,025.29/550,490.46
  6. Step 6: Final answer
    x = 285,776.72

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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.