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Finding the Fourth Proportional to 262,091.30, 392,592.62 and 166,850.48

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Solution

The fourth proportional to 262,091.30, 392,592.62 and 166,850.48 is: 249,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,091.30 : 392,592.62 = 166,850.48 : x
  2. Step 2: Convert to fraction form
    262,091.30/392,592.62 = 166,850.48/x
  3. Step 3: Cross multiply
    262,091.30x = 392,592.62 × 166,850.48
  4. Step 4: Simplify right side
    262,091.30x = 65,504,268,490.07
  5. Step 5: Solve for x
    x = 65,504,268,490.07/262,091.30
  6. Step 6: Final answer
    x = 249,929.20

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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.