Home / 286,172.10-394,935.42-158,849.82

Finding the Fourth Proportional to 286,172.10, 394,935.42 and 158,849.82

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Solution

The fourth proportional to 286,172.10, 394,935.42 and 158,849.82 is: 219,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,172.10 : 394,935.42 = 158,849.82 : x
  2. Step 2: Convert to fraction form
    286,172.10/394,935.42 = 158,849.82/x
  3. Step 3: Cross multiply
    286,172.10x = 394,935.42 × 158,849.82
  4. Step 4: Simplify right side
    286,172.10x = 62,735,420,378.62
  5. Step 5: Solve for x
    x = 62,735,420,378.62/286,172.10
  6. Step 6: Final answer
    x = 219,222.70

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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.