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Finding the Fourth Proportional to 255,223.26, 382,805.64 and 68,249.34

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Solution

The fourth proportional to 255,223.26, 382,805.64 and 68,249.34 is: 102,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,223.26 : 382,805.64 = 68,249.34 : x
  2. Step 2: Convert to fraction form
    255,223.26/382,805.64 = 68,249.34/x
  3. Step 3: Cross multiply
    255,223.26x = 382,805.64 × 68,249.34
  4. Step 4: Simplify right side
    255,223.26x = 26,126,232,278.28
  5. Step 5: Solve for x
    x = 26,126,232,278.28/255,223.26
  6. Step 6: Final answer
    x = 102,366.19

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1.5x scale

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.