Home / 387,249.24-580,032.71-187,150.02

Finding the Fourth Proportional to 387,249.24, 580,032.71 and 187,150.02

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Solution

The fourth proportional to 387,249.24, 580,032.71 and 187,150.02 is: 280,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,249.24 : 580,032.71 = 187,150.02 : x
  2. Step 2: Convert to fraction form
    387,249.24/580,032.71 = 187,150.02/x
  3. Step 3: Cross multiply
    387,249.24x = 580,032.71 × 187,150.02
  4. Step 4: Simplify right side
    387,249.24x = 108,553,133,277.15
  5. Step 5: Solve for x
    x = 108,553,133,277.15/387,249.24
  6. Step 6: Final answer
    x = 280,318.52

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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.