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Finding the Fourth Proportional to 505,162.68, 758,129.32 and 185,617.37

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Solution

The fourth proportional to 505,162.68, 758,129.32 and 185,617.37 is: 278,567.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,162.68 : 758,129.32 = 185,617.37 : x
  2. Step 2: Convert to fraction form
    505,162.68/758,129.32 = 185,617.37/x
  3. Step 3: Cross multiply
    505,162.68x = 758,129.32 × 185,617.37
  4. Step 4: Simplify right side
    505,162.68x = 140,721,972,625.63
  5. Step 5: Solve for x
    x = 140,721,972,625.63/505,162.68
  6. Step 6: Final answer
    x = 278,567.64

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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.