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Finding the Fourth Proportional to 345,376.67, 476,609.28 and 192,414.79

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Solution

The fourth proportional to 345,376.67, 476,609.28 and 192,414.79 is: 265,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,376.67 : 476,609.28 = 192,414.79 : x
  2. Step 2: Convert to fraction form
    345,376.67/476,609.28 = 192,414.79/x
  3. Step 3: Cross multiply
    345,376.67x = 476,609.28 × 192,414.79
  4. Step 4: Simplify right side
    345,376.67x = 91,706,673,561.18
  5. Step 5: Solve for x
    x = 91,706,673,561.18/345,376.67
  6. Step 6: Final answer
    x = 265,526.54

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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.