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Finding the Fourth Proportional to 255,230.64, 382,816.72 and 68,256.72

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Solution

The fourth proportional to 255,230.64, 382,816.72 and 68,256.72 is: 102,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,230.64 : 382,816.72 = 68,256.72 : x
  2. Step 2: Convert to fraction form
    255,230.64/382,816.72 = 68,256.72/x
  3. Step 3: Cross multiply
    255,230.64x = 382,816.72 × 68,256.72
  4. Step 4: Simplify right side
    255,230.64x = 26,129,813,668.36
  5. Step 5: Solve for x
    x = 26,129,813,668.36/255,230.64
  6. Step 6: Final answer
    x = 102,377.26

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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.