Home / 260,384.33-389,945.79-180,197.60

Finding the Fourth Proportional to 260,384.33, 389,945.79 and 180,197.60

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Solution

The fourth proportional to 260,384.33, 389,945.79 and 180,197.60 is: 269,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,384.33 : 389,945.79 = 180,197.60 : x
  2. Step 2: Convert to fraction form
    260,384.33/389,945.79 = 180,197.60/x
  3. Step 3: Cross multiply
    260,384.33x = 389,945.79 × 180,197.60
  4. Step 4: Simplify right side
    260,384.33x = 70,267,293,538.38
  5. Step 5: Solve for x
    x = 70,267,293,538.38/260,384.33
  6. Step 6: Final answer
    x = 269,859.92

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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.