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Finding the Fourth Proportional to 395,544.87, 593,352.27 and 111,237.84

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Solution

The fourth proportional to 395,544.87, 593,352.27 and 111,237.84 is: 166,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,544.87 : 593,352.27 = 111,237.84 : x
  2. Step 2: Convert to fraction form
    395,544.87/593,352.27 = 111,237.84/x
  3. Step 3: Cross multiply
    395,544.87x = 593,352.27 × 111,237.84
  4. Step 4: Simplify right side
    395,544.87x = 66,003,224,873.90
  5. Step 5: Solve for x
    x = 66,003,224,873.90/395,544.87
  6. Step 6: Final answer
    x = 166,866.59

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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.