Home / 255,207.43-382,781.97-68,233.51

Finding the Fourth Proportional to 255,207.43, 382,781.97 and 68,233.51

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Solution

The fourth proportional to 255,207.43, 382,781.97 and 68,233.51 is: 102,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,207.43 : 382,781.97 = 68,233.51 : x
  2. Step 2: Convert to fraction form
    255,207.43/382,781.97 = 68,233.51/x
  3. Step 3: Cross multiply
    255,207.43x = 382,781.97 × 68,233.51
  4. Step 4: Simplify right side
    255,207.43x = 26,118,557,377.81
  5. Step 5: Solve for x
    x = 26,118,557,377.81/255,207.43
  6. Step 6: Final answer
    x = 102,342.46

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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.