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Finding the Fourth Proportional to 610,750.85, 916,131.13 and 250,828.97

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Solution

The fourth proportional to 610,750.85, 916,131.13 and 250,828.97 is: 376,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,750.85 : 916,131.13 = 250,828.97 : x
  2. Step 2: Convert to fraction form
    610,750.85/916,131.13 = 250,828.97/x
  3. Step 3: Cross multiply
    610,750.85x = 916,131.13 × 250,828.97
  4. Step 4: Simplify right side
    610,750.85x = 229,792,222,515.11
  5. Step 5: Solve for x
    x = 229,792,222,515.11/610,750.85
  6. Step 6: Final answer
    x = 376,245.44

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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.