Home / 259,839.36-358,578-146,659.68

Finding the Fourth Proportional to 259,839.36, 358,578 and 146,659.68

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Solution

The fourth proportional to 259,839.36, 358,578 and 146,659.68 is: 202,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,839.36 : 358,578 = 146,659.68 : x
  2. Step 2: Convert to fraction form
    259,839.36/358,578 = 146,659.68/x
  3. Step 3: Cross multiply
    259,839.36x = 358,578 × 146,659.68
  4. Step 4: Simplify right side
    259,839.36x = 52,588,934,735.04
  5. Step 5: Solve for x
    x = 52,588,934,735.04/259,839.36
  6. Step 6: Final answer
    x = 202,390.18

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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.