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Finding the Fourth Proportional to 400,151.89, 600,396.31 and 175,396.33

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Solution

The fourth proportional to 400,151.89, 600,396.31 and 175,396.33 is: 263,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,151.89 : 600,396.31 = 175,396.33 : x
  2. Step 2: Convert to fraction form
    400,151.89/600,396.31 = 175,396.33/x
  3. Step 3: Cross multiply
    400,151.89x = 600,396.31 × 175,396.33
  4. Step 4: Simplify right side
    400,151.89x = 105,307,306,317.56
  5. Step 5: Solve for x
    x = 105,307,306,317.56/400,151.89
  6. Step 6: Final answer
    x = 263,168.34

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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.