Home / 252,836.88-378,432.36-186,250.80

Finding the Fourth Proportional to 252,836.88, 378,432.36 and 186,250.80

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Solution

The fourth proportional to 252,836.88, 378,432.36 and 186,250.80 is: 278,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,836.88 : 378,432.36 = 186,250.80 : x
  2. Step 2: Convert to fraction form
    252,836.88/378,432.36 = 186,250.80/x
  3. Step 3: Cross multiply
    252,836.88x = 378,432.36 × 186,250.80
  4. Step 4: Simplify right side
    252,836.88x = 70,483,329,795.89
  5. Step 5: Solve for x
    x = 70,483,329,795.89/252,836.88
  6. Step 6: Final answer
    x = 278,769.97

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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.