Home / 252,837.88-378,433.86-186,251.80

Finding the Fourth Proportional to 252,837.88, 378,433.86 and 186,251.80

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Solution

The fourth proportional to 252,837.88, 378,433.86 and 186,251.80 is: 278,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,837.88 : 378,433.86 = 186,251.80 : x
  2. Step 2: Convert to fraction form
    252,837.88/378,433.86 = 186,251.80/x
  3. Step 3: Cross multiply
    252,837.88x = 378,433.86 × 186,251.80
  4. Step 4: Simplify right side
    252,837.88x = 70,483,987,605.95
  5. Step 5: Solve for x
    x = 70,483,987,605.95/252,837.88
  6. Step 6: Final answer
    x = 278,771.47

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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.