Home / 505,022.04-757,653.35-189,481.68

Finding the Fourth Proportional to 505,022.04, 757,653.35 and 189,481.68

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Solution

The fourth proportional to 505,022.04, 757,653.35 and 189,481.68 is: 284,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,022.04 : 757,653.35 = 189,481.68 : x
  2. Step 2: Convert to fraction form
    505,022.04/757,653.35 = 189,481.68/x
  3. Step 3: Cross multiply
    505,022.04x = 757,653.35 × 189,481.68
  4. Step 4: Simplify right side
    505,022.04x = 143,561,428,668.22
  5. Step 5: Solve for x
    x = 143,561,428,668.22/505,022.04
  6. Step 6: Final answer
    x = 284,267.65

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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.