Home / 545,249.54-817,811.76-145,921.44

Finding the Fourth Proportional to 545,249.54, 817,811.76 and 145,921.44

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Solution

The fourth proportional to 545,249.54, 817,811.76 and 145,921.44 is: 218,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,249.54 : 817,811.76 = 145,921.44 : x
  2. Step 2: Convert to fraction form
    545,249.54/817,811.76 = 145,921.44/x
  3. Step 3: Cross multiply
    545,249.54x = 817,811.76 × 145,921.44
  4. Step 4: Simplify right side
    545,249.54x = 119,336,269,668.13
  5. Step 5: Solve for x
    x = 119,336,269,668.13/545,249.54
  6. Step 6: Final answer
    x = 218,865.42

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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.