Home / 545,104.05-817,986.92-203,795.97

Finding the Fourth Proportional to 545,104.05, 817,986.92 and 203,795.97

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Solution

The fourth proportional to 545,104.05, 817,986.92 and 203,795.97 is: 305,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,104.05 : 817,986.92 = 203,795.97 : x
  2. Step 2: Convert to fraction form
    545,104.05/817,986.92 = 203,795.97/x
  3. Step 3: Cross multiply
    545,104.05x = 817,986.92 × 203,795.97
  4. Step 4: Simplify right side
    545,104.05x = 166,702,434,868.63
  5. Step 5: Solve for x
    x = 166,702,434,868.63/545,104.05
  6. Step 6: Final answer
    x = 305,817.64

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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.