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Finding the Fourth Proportional to 256,673.56, 384,738.82 and 96,680.26

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Solution

The fourth proportional to 256,673.56, 384,738.82 and 96,680.26 is: 144,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,673.56 : 384,738.82 = 96,680.26 : x
  2. Step 2: Convert to fraction form
    256,673.56/384,738.82 = 96,680.26/x
  3. Step 3: Cross multiply
    256,673.56x = 384,738.82 × 96,680.26
  4. Step 4: Simplify right side
    256,673.56x = 37,196,649,149.69
  5. Step 5: Solve for x
    x = 37,196,649,149.69/256,673.56
  6. Step 6: Final answer
    x = 144,918.12

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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.