Home / 278,324.83-384,086.64-150,997.69

Finding the Fourth Proportional to 278,324.83, 384,086.64 and 150,997.69

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Solution

The fourth proportional to 278,324.83, 384,086.64 and 150,997.69 is: 208,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,324.83 : 384,086.64 = 150,997.69 : x
  2. Step 2: Convert to fraction form
    278,324.83/384,086.64 = 150,997.69/x
  3. Step 3: Cross multiply
    278,324.83x = 384,086.64 × 150,997.69
  4. Step 4: Simplify right side
    278,324.83x = 57,996,195,399.86
  5. Step 5: Solve for x
    x = 57,996,195,399.86/278,324.83
  6. Step 6: Final answer
    x = 208,375.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.