Home / 259,747.30-358,447.77-145,027.71

Finding the Fourth Proportional to 259,747.30, 358,447.77 and 145,027.71

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Solution

The fourth proportional to 259,747.30, 358,447.77 and 145,027.71 is: 200,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,747.30 : 358,447.77 = 145,027.71 : x
  2. Step 2: Convert to fraction form
    259,747.30/358,447.77 = 145,027.71/x
  3. Step 3: Cross multiply
    259,747.30x = 358,447.77 × 145,027.71
  4. Step 4: Simplify right side
    259,747.30x = 51,984,859,418.99
  5. Step 5: Solve for x
    x = 51,984,859,418.99/259,747.30
  6. Step 6: Final answer
    x = 200,136.28

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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.