Home / 378,720.26-567,982.11-112,418.18

Finding the Fourth Proportional to 378,720.26, 567,982.11 and 112,418.18

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Solution

The fourth proportional to 378,720.26, 567,982.11 and 112,418.18 is: 168,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,720.26 : 567,982.11 = 112,418.18 : x
  2. Step 2: Convert to fraction form
    378,720.26/567,982.11 = 112,418.18/x
  3. Step 3: Cross multiply
    378,720.26x = 567,982.11 × 112,418.18
  4. Step 4: Simplify right side
    378,720.26x = 63,851,515,078.76
  5. Step 5: Solve for x
    x = 63,851,515,078.76/378,720.26
  6. Step 6: Final answer
    x = 168,598.10

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1.5x scale

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.