Home / 236,800.70-355,196.01-76,876.38

Finding the Fourth Proportional to 236,800.70, 355,196.01 and 76,876.38

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Solution

The fourth proportional to 236,800.70, 355,196.01 and 76,876.38 is: 115,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,800.70 : 355,196.01 = 76,876.38 : x
  2. Step 2: Convert to fraction form
    236,800.70/355,196.01 = 76,876.38/x
  3. Step 3: Cross multiply
    236,800.70x = 355,196.01 × 76,876.38
  4. Step 4: Simplify right side
    236,800.70x = 27,306,183,727.53
  5. Step 5: Solve for x
    x = 27,306,183,727.53/236,800.70
  6. Step 6: Final answer
    x = 115,312.94

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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.