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Finding the Fourth Proportional to 251,060.77, 376,593.20 and 93,289.22

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Solution

The fourth proportional to 251,060.77, 376,593.20 and 93,289.22 is: 139,934.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,060.77 : 376,593.20 = 93,289.22 : x
  2. Step 2: Convert to fraction form
    251,060.77/376,593.20 = 93,289.22/x
  3. Step 3: Cross multiply
    251,060.77x = 376,593.20 × 93,289.22
  4. Step 4: Simplify right side
    251,060.77x = 35,132,085,297.95
  5. Step 5: Solve for x
    x = 35,132,085,297.95/251,060.77
  6. Step 6: Final answer
    x = 139,934.59

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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.