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Finding the Fourth Proportional to 505,674.92, 758,409.71 and 185,716.82

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Solution

The fourth proportional to 505,674.92, 758,409.71 and 185,716.82 is: 278,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,674.92 : 758,409.71 = 185,716.82 : x
  2. Step 2: Convert to fraction form
    505,674.92/758,409.71 = 185,716.82/x
  3. Step 3: Cross multiply
    505,674.92x = 758,409.71 × 185,716.82
  4. Step 4: Simplify right side
    505,674.92x = 140,849,434,877.69
  5. Step 5: Solve for x
    x = 140,849,434,877.69/505,674.92
  6. Step 6: Final answer
    x = 278,537.52

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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.