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Finding the Fourth Proportional to 229,147.44, 316,152.60 and 133,586.49

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Solution

The fourth proportional to 229,147.44, 316,152.60 and 133,586.49 is: 184,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,147.44 : 316,152.60 = 133,586.49 : x
  2. Step 2: Convert to fraction form
    229,147.44/316,152.60 = 133,586.49/x
  3. Step 3: Cross multiply
    229,147.44x = 316,152.60 × 133,586.49
  4. Step 4: Simplify right side
    229,147.44x = 42,233,716,138.37
  5. Step 5: Solve for x
    x = 42,233,716,138.37/229,147.44
  6. Step 6: Final answer
    x = 184,308.04

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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.