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Finding the Fourth Proportional to 191,796.26, 264,792.24 and 170,516.64

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Solution

The fourth proportional to 191,796.26, 264,792.24 and 170,516.64 is: 235,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,796.26 : 264,792.24 = 170,516.64 : x
  2. Step 2: Convert to fraction form
    191,796.26/264,792.24 = 170,516.64/x
  3. Step 3: Cross multiply
    191,796.26x = 264,792.24 × 170,516.64
  4. Step 4: Simplify right side
    191,796.26x = 45,151,483,062.87
  5. Step 5: Solve for x
    x = 45,151,483,062.87/191,796.26
  6. Step 6: Final answer
    x = 235,413.78

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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.