Home / 264,849.80-397,285.10-138,404.14

Finding the Fourth Proportional to 264,849.80, 397,285.10 and 138,404.14

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Solution

The fourth proportional to 264,849.80, 397,285.10 and 138,404.14 is: 207,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,849.80 : 397,285.10 = 138,404.14 : x
  2. Step 2: Convert to fraction form
    264,849.80/397,285.10 = 138,404.14/x
  3. Step 3: Cross multiply
    264,849.80x = 397,285.10 × 138,404.14
  4. Step 4: Simplify right side
    264,849.80x = 54,985,904,447.35
  5. Step 5: Solve for x
    x = 54,985,904,447.35/264,849.80
  6. Step 6: Final answer
    x = 207,611.65

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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.