Home / 264,399.35-397,330.97-257,990.04

Finding the Fourth Proportional to 264,399.35, 397,330.97 and 257,990.04

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Solution

The fourth proportional to 264,399.35, 397,330.97 and 257,990.04 is: 387,699.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,399.35 : 397,330.97 = 257,990.04 : x
  2. Step 2: Convert to fraction form
    264,399.35/397,330.97 = 257,990.04/x
  3. Step 3: Cross multiply
    264,399.35x = 397,330.97 × 257,990.04
  4. Step 4: Simplify right side
    264,399.35x = 102,507,431,553.59
  5. Step 5: Solve for x
    x = 102,507,431,553.59/264,399.35
  6. Step 6: Final answer
    x = 387,699.26

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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.