Home / 251,732.05-377,508.13-83,221.27

Finding the Fourth Proportional to 251,732.05, 377,508.13 and 83,221.27

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Solution

The fourth proportional to 251,732.05, 377,508.13 and 83,221.27 is: 124,802.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,732.05 : 377,508.13 = 83,221.27 : x
  2. Step 2: Convert to fraction form
    251,732.05/377,508.13 = 83,221.27/x
  3. Step 3: Cross multiply
    251,732.05x = 377,508.13 × 83,221.27
  4. Step 4: Simplify right side
    251,732.05x = 31,416,706,013.93
  5. Step 5: Solve for x
    x = 31,416,706,013.93/251,732.05
  6. Step 6: Final answer
    x = 124,802.17

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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.