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Finding the Fourth Proportional to 548,083.01, 756,144.58 and 333,144.65

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Solution

The fourth proportional to 548,083.01, 756,144.58 and 333,144.65 is: 459,611.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,083.01 : 756,144.58 = 333,144.65 : x
  2. Step 2: Convert to fraction form
    548,083.01/756,144.58 = 333,144.65/x
  3. Step 3: Cross multiply
    548,083.01x = 756,144.58 × 333,144.65
  4. Step 4: Simplify right side
    548,083.01x = 251,905,521,453.50
  5. Step 5: Solve for x
    x = 251,905,521,453.50/548,083.01
  6. Step 6: Final answer
    x = 459,611.99

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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.