Home / 389,367.20-584,588.66-269,127.96

Finding the Fourth Proportional to 389,367.20, 584,588.66 and 269,127.96

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Solution

The fourth proportional to 389,367.20, 584,588.66 and 269,127.96 is: 404,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,367.20 : 584,588.66 = 269,127.96 : x
  2. Step 2: Convert to fraction form
    389,367.20/584,588.66 = 269,127.96/x
  3. Step 3: Cross multiply
    389,367.20x = 584,588.66 × 269,127.96
  4. Step 4: Simplify right side
    389,367.20x = 157,329,152,159.29
  5. Step 5: Solve for x
    x = 157,329,152,159.29/389,367.20
  6. Step 6: Final answer
    x = 404,063.71

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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.