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Finding the Fourth Proportional to 353,892.16, 488,371.68 and 192,747.84

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Solution

The fourth proportional to 353,892.16, 488,371.68 and 192,747.84 is: 265,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,892.16 : 488,371.68 = 192,747.84 : x
  2. Step 2: Convert to fraction form
    353,892.16/488,371.68 = 192,747.84/x
  3. Step 3: Cross multiply
    353,892.16x = 488,371.68 × 192,747.84
  4. Step 4: Simplify right side
    353,892.16x = 94,132,586,437.17
  5. Step 5: Solve for x
    x = 94,132,586,437.17/353,892.16
  6. Step 6: Final answer
    x = 265,992.29

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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.