Home / 397,537.75-548,586.01-216,249.89

Finding the Fourth Proportional to 397,537.75, 548,586.01 and 216,249.89

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Solution

The fourth proportional to 397,537.75, 548,586.01 and 216,249.89 is: 298,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,537.75 : 548,586.01 = 216,249.89 : x
  2. Step 2: Convert to fraction form
    397,537.75/548,586.01 = 216,249.89/x
  3. Step 3: Cross multiply
    397,537.75x = 548,586.01 × 216,249.89
  4. Step 4: Simplify right side
    397,537.75x = 118,631,664,318.04
  5. Step 5: Solve for x
    x = 118,631,664,318.04/397,537.75
  6. Step 6: Final answer
    x = 298,416.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.