Home / 286,023.74-428,736.26-96,418.59

Finding the Fourth Proportional to 286,023.74, 428,736.26 and 96,418.59

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Solution

The fourth proportional to 286,023.74, 428,736.26 and 96,418.59 is: 144,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,023.74 : 428,736.26 = 96,418.59 : x
  2. Step 2: Convert to fraction form
    286,023.74/428,736.26 = 96,418.59/x
  3. Step 3: Cross multiply
    286,023.74x = 428,736.26 × 96,418.59
  4. Step 4: Simplify right side
    286,023.74x = 41,338,145,188.98
  5. Step 5: Solve for x
    x = 41,338,145,188.98/286,023.74
  6. Step 6: Final answer
    x = 144,526.97

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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.