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Finding the Fourth Proportional to 222,648.75, 307,256.36 and 133,224.75

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Solution

The fourth proportional to 222,648.75, 307,256.36 and 133,224.75 is: 183,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,648.75 : 307,256.36 = 133,224.75 : x
  2. Step 2: Convert to fraction form
    222,648.75/307,256.36 = 133,224.75/x
  3. Step 3: Cross multiply
    222,648.75x = 307,256.36 × 133,224.75
  4. Step 4: Simplify right side
    222,648.75x = 40,934,151,080.79
  5. Step 5: Solve for x
    x = 40,934,151,080.79/222,648.75
  6. Step 6: Final answer
    x = 183,850.80

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1.5x scale

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.