Home / 318,741.12-439,851.84-175,499.52

Finding the Fourth Proportional to 318,741.12, 439,851.84 and 175,499.52

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Solution

The fourth proportional to 318,741.12, 439,851.84 and 175,499.52 is: 242,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,741.12 : 439,851.84 = 175,499.52 : x
  2. Step 2: Convert to fraction form
    318,741.12/439,851.84 = 175,499.52/x
  3. Step 3: Cross multiply
    318,741.12x = 439,851.84 × 175,499.52
  4. Step 4: Simplify right side
    318,741.12x = 77,193,786,791.12
  5. Step 5: Solve for x
    x = 77,193,786,791.12/318,741.12
  6. Step 6: Final answer
    x = 242,183.33

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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.