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Finding the Fourth Proportional to 250,633.86, 376,137.54 and 100,875.30

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Solution

The fourth proportional to 250,633.86, 376,137.54 and 100,875.30 is: 151,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,633.86 : 376,137.54 = 100,875.30 : x
  2. Step 2: Convert to fraction form
    250,633.86/376,137.54 = 100,875.30/x
  3. Step 3: Cross multiply
    250,633.86x = 376,137.54 × 100,875.30
  4. Step 4: Simplify right side
    250,633.86x = 37,942,987,188.76
  5. Step 5: Solve for x
    x = 37,942,987,188.76/250,633.86
  6. Step 6: Final answer
    x = 151,388.11

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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.