Home / 286,212.37-394,953.27-158,877.94

Finding the Fourth Proportional to 286,212.37, 394,953.27 and 158,877.94

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Solution

The fourth proportional to 286,212.37, 394,953.27 and 158,877.94 is: 219,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,212.37 : 394,953.27 = 158,877.94 : x
  2. Step 2: Convert to fraction form
    286,212.37/394,953.27 = 158,877.94/x
  3. Step 3: Cross multiply
    286,212.37x = 394,953.27 × 158,877.94
  4. Step 4: Simplify right side
    286,212.37x = 62,749,361,933.86
  5. Step 5: Solve for x
    x = 62,749,361,933.86/286,212.37
  6. Step 6: Final answer
    x = 219,240.57

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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.