Home / 423,826.48-635,344.41-143,147.44

Finding the Fourth Proportional to 423,826.48, 635,344.41 and 143,147.44

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Solution

The fourth proportional to 423,826.48, 635,344.41 and 143,147.44 is: 214,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,826.48 : 635,344.41 = 143,147.44 : x
  2. Step 2: Convert to fraction form
    423,826.48/635,344.41 = 143,147.44/x
  3. Step 3: Cross multiply
    423,826.48x = 635,344.41 × 143,147.44
  4. Step 4: Simplify right side
    423,826.48x = 90,947,922,633.09
  5. Step 5: Solve for x
    x = 90,947,922,633.09/423,826.48
  6. Step 6: Final answer
    x = 214,587.64

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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.