Home / 399,573.76-598,986.96-146,786.37

Finding the Fourth Proportional to 399,573.76, 598,986.96 and 146,786.37

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Solution

The fourth proportional to 399,573.76, 598,986.96 and 146,786.37 is: 220,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,573.76 : 598,986.96 = 146,786.37 : x
  2. Step 2: Convert to fraction form
    399,573.76/598,986.96 = 146,786.37/x
  3. Step 3: Cross multiply
    399,573.76x = 598,986.96 × 146,786.37
  4. Step 4: Simplify right side
    399,573.76x = 87,923,121,535.74
  5. Step 5: Solve for x
    x = 87,923,121,535.74/399,573.76
  6. Step 6: Final answer
    x = 220,042.28

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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.