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Finding the Fourth Proportional to 246,133, 339,663.72 and 132,955.75

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Solution

The fourth proportional to 246,133, 339,663.72 and 132,955.75 is: 183,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,133 : 339,663.72 = 132,955.75 : x
  2. Step 2: Convert to fraction form
    246,133/339,663.72 = 132,955.75/x
  3. Step 3: Cross multiply
    246,133x = 339,663.72 × 132,955.75
  4. Step 4: Simplify right side
    246,133x = 45,160,244,640.39
  5. Step 5: Solve for x
    x = 45,160,244,640.39/246,133
  6. Step 6: Final answer
    x = 183,479.03

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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.