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Finding the Fourth Proportional to 481,765.29, 664,782.30 and 266,852.04

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Solution

The fourth proportional to 481,765.29, 664,782.30 and 266,852.04 is: 368,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,765.29 : 664,782.30 = 266,852.04 : x
  2. Step 2: Convert to fraction form
    481,765.29/664,782.30 = 266,852.04/x
  3. Step 3: Cross multiply
    481,765.29x = 664,782.30 × 266,852.04
  4. Step 4: Simplify right side
    481,765.29x = 177,398,512,910.89
  5. Step 5: Solve for x
    x = 177,398,512,910.89/481,765.29
  6. Step 6: Final answer
    x = 368,226.02

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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.