Home / 950,145.89-1,425,357.95-276,139.62

Finding the Fourth Proportional to 950,145.89, 1,425,357.95 and 276,139.62

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Solution

The fourth proportional to 950,145.89, 1,425,357.95 and 276,139.62 is: 414,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,145.89 : 1,425,357.95 = 276,139.62 : x
  2. Step 2: Convert to fraction form
    950,145.89/1,425,357.95 = 276,139.62/x
  3. Step 3: Cross multiply
    950,145.89x = 1,425,357.95 × 276,139.62
  4. Step 4: Simplify right side
    950,145.89x = 393,597,801,296.28
  5. Step 5: Solve for x
    x = 393,597,801,296.28/950,145.89
  6. Step 6: Final answer
    x = 414,249.86

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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.