Home / 259,747.75-358,448.40-145,028.17

Finding the Fourth Proportional to 259,747.75, 358,448.40 and 145,028.17

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Solution

The fourth proportional to 259,747.75, 358,448.40 and 145,028.17 is: 200,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,747.75 : 358,448.40 = 145,028.17 : x
  2. Step 2: Convert to fraction form
    259,747.75/358,448.40 = 145,028.17/x
  3. Step 3: Cross multiply
    259,747.75x = 358,448.40 × 145,028.17
  4. Step 4: Simplify right side
    259,747.75x = 51,985,115,491.43
  5. Step 5: Solve for x
    x = 51,985,115,491.43/259,747.75
  6. Step 6: Final answer
    x = 200,136.92

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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.