Home / 389,824.80-584,564.40-179,527.20

Finding the Fourth Proportional to 389,824.80, 584,564.40 and 179,527.20

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Solution

The fourth proportional to 389,824.80, 584,564.40 and 179,527.20 is: 269,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,824.80 : 584,564.40 = 179,527.20 : x
  2. Step 2: Convert to fraction form
    389,824.80/584,564.40 = 179,527.20/x
  3. Step 3: Cross multiply
    389,824.80x = 584,564.40 × 179,527.20
  4. Step 4: Simplify right side
    389,824.80x = 104,945,209,951.68
  5. Step 5: Solve for x
    x = 104,945,209,951.68/389,824.80
  6. Step 6: Final answer
    x = 269,211.22

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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.