Home / 851,141.30-1,276,898.83-252,149.36

Finding the Fourth Proportional to 851,141.30, 1,276,898.83 and 252,149.36

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Solution

The fourth proportional to 851,141.30, 1,276,898.83 and 252,149.36 is: 378,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,141.30 : 1,276,898.83 = 252,149.36 : x
  2. Step 2: Convert to fraction form
    851,141.30/1,276,898.83 = 252,149.36/x
  3. Step 3: Cross multiply
    851,141.30x = 1,276,898.83 × 252,149.36
  4. Step 4: Simplify right side
    851,141.30x = 321,969,215,754.38
  5. Step 5: Solve for x
    x = 321,969,215,754.38/851,141.30
  6. Step 6: Final answer
    x = 378,279.40

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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.