Home / 387,282.76-581,022.70-227,493.81

Finding the Fourth Proportional to 387,282.76, 581,022.70 and 227,493.81

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Solution

The fourth proportional to 387,282.76, 581,022.70 and 227,493.81 is: 341,298.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,282.76 : 581,022.70 = 227,493.81 : x
  2. Step 2: Convert to fraction form
    387,282.76/581,022.70 = 227,493.81/x
  3. Step 3: Cross multiply
    387,282.76x = 581,022.70 × 227,493.81
  4. Step 4: Simplify right side
    387,282.76x = 132,179,067,150.75
  5. Step 5: Solve for x
    x = 132,179,067,150.75/387,282.76
  6. Step 6: Final answer
    x = 341,298.61

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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.