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Finding the Fourth Proportional to 229,736.64, 344,604 and 61,256.64

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Solution

The fourth proportional to 229,736.64, 344,604 and 61,256.64 is: 91,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,736.64 : 344,604 = 61,256.64 : x
  2. Step 2: Convert to fraction form
    229,736.64/344,604 = 61,256.64/x
  3. Step 3: Cross multiply
    229,736.64x = 344,604 × 61,256.64
  4. Step 4: Simplify right side
    229,736.64x = 21,109,283,170.56
  5. Step 5: Solve for x
    x = 21,109,283,170.56/229,736.64
  6. Step 6: Final answer
    x = 91,884.70

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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.