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Finding the Fourth Proportional to 301,255.68, 451,804.32 and 143,169.60

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Solution

The fourth proportional to 301,255.68, 451,804.32 and 143,169.60 is: 214,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,255.68 : 451,804.32 = 143,169.60 : x
  2. Step 2: Convert to fraction form
    301,255.68/451,804.32 = 143,169.60/x
  3. Step 3: Cross multiply
    301,255.68x = 451,804.32 × 143,169.60
  4. Step 4: Simplify right side
    301,255.68x = 64,684,643,772.67
  5. Step 5: Solve for x
    x = 64,684,643,772.67/301,255.68
  6. Step 6: Final answer
    x = 214,716.76

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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.