Home / 286,037.46-394,750.26-158,713.38

Finding the Fourth Proportional to 286,037.46, 394,750.26 and 158,713.38

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Solution

The fourth proportional to 286,037.46, 394,750.26 and 158,713.38 is: 219,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,037.46 : 394,750.26 = 158,713.38 : x
  2. Step 2: Convert to fraction form
    286,037.46/394,750.26 = 158,713.38/x
  3. Step 3: Cross multiply
    286,037.46x = 394,750.26 × 158,713.38
  4. Step 4: Simplify right side
    286,037.46x = 62,652,148,020.48
  5. Step 5: Solve for x
    x = 62,652,148,020.48/286,037.46
  6. Step 6: Final answer
    x = 219,034.77

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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.