Home / 258,668.24-356,933.28-145,488.56

Finding the Fourth Proportional to 258,668.24, 356,933.28 and 145,488.56

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Solution

The fourth proportional to 258,668.24, 356,933.28 and 145,488.56 is: 200,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,668.24 : 356,933.28 = 145,488.56 : x
  2. Step 2: Convert to fraction form
    258,668.24/356,933.28 = 145,488.56/x
  3. Step 3: Cross multiply
    258,668.24x = 356,933.28 × 145,488.56
  4. Step 4: Simplify right side
    258,668.24x = 51,929,708,923.28
  5. Step 5: Solve for x
    x = 51,929,708,923.28/258,668.24
  6. Step 6: Final answer
    x = 200,757.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.