Home / 286,012.24-428,850.14-108,531.74

Finding the Fourth Proportional to 286,012.24, 428,850.14 and 108,531.74

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Solution

The fourth proportional to 286,012.24, 428,850.14 and 108,531.74 is: 162,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,012.24 : 428,850.14 = 108,531.74 : x
  2. Step 2: Convert to fraction form
    286,012.24/428,850.14 = 108,531.74/x
  3. Step 3: Cross multiply
    286,012.24x = 428,850.14 × 108,531.74
  4. Step 4: Simplify right side
    286,012.24x = 46,543,851,893.44
  5. Step 5: Solve for x
    x = 46,543,851,893.44/286,012.24
  6. Step 6: Final answer
    x = 162,733.78

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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.