Home / 200,721.18-301,081.91-50,972.70

Finding the Fourth Proportional to 200,721.18, 301,081.91 and 50,972.70

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Solution

The fourth proportional to 200,721.18, 301,081.91 and 50,972.70 is: 76,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,721.18 : 301,081.91 = 50,972.70 : x
  2. Step 2: Convert to fraction form
    200,721.18/301,081.91 = 50,972.70/x
  3. Step 3: Cross multiply
    200,721.18x = 301,081.91 × 50,972.70
  4. Step 4: Simplify right side
    200,721.18x = 15,346,957,873.86
  5. Step 5: Solve for x
    x = 15,346,957,873.86/200,721.18
  6. Step 6: Final answer
    x = 76,459.09

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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.