Home / 384,321.93-530,505.79-231,367.23

Finding the Fourth Proportional to 384,321.93, 530,505.79 and 231,367.23

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Solution

The fourth proportional to 384,321.93, 530,505.79 and 231,367.23 is: 319,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,321.93 : 530,505.79 = 231,367.23 : x
  2. Step 2: Convert to fraction form
    384,321.93/530,505.79 = 231,367.23/x
  3. Step 3: Cross multiply
    384,321.93x = 530,505.79 × 231,367.23
  4. Step 4: Simplify right side
    384,321.93x = 122,741,654,552.84
  5. Step 5: Solve for x
    x = 122,741,654,552.84/384,321.93
  6. Step 6: Final answer
    x = 319,371.98

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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.