Home / 286,211.37-394,951.89-158,876.94

Finding the Fourth Proportional to 286,211.37, 394,951.89 and 158,876.94

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Solution

The fourth proportional to 286,211.37, 394,951.89 and 158,876.94 is: 219,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,211.37 : 394,951.89 = 158,876.94 : x
  2. Step 2: Convert to fraction form
    286,211.37/394,951.89 = 158,876.94/x
  3. Step 3: Cross multiply
    286,211.37x = 394,951.89 × 158,876.94
  4. Step 4: Simplify right side
    286,211.37x = 62,748,747,730.42
  5. Step 5: Solve for x
    x = 62,748,747,730.42/286,211.37
  6. Step 6: Final answer
    x = 219,239.19

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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.