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Finding the Fourth Proportional to 613,324, 919,986 and 170,092

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Solution

The fourth proportional to 613,324, 919,986 and 170,092 is: 255,138

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,324 : 919,986 = 170,092 : x
  2. Step 2: Convert to fraction form
    613,324/919,986 = 170,092/x
  3. Step 3: Cross multiply
    613,324x = 919,986 × 170,092
  4. Step 4: Simplify right side
    613,324x = 156,482,258,712
  5. Step 5: Solve for x
    x = 156,482,258,712/613,324
  6. Step 6: Final answer
    x = 255,138

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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.