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Finding the Fourth Proportional to 366,683.86, 550,026.25 and 100,446.68

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Solution

The fourth proportional to 366,683.86, 550,026.25 and 100,446.68 is: 150,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,683.86 : 550,026.25 = 100,446.68 : x
  2. Step 2: Convert to fraction form
    366,683.86/550,026.25 = 100,446.68/x
  3. Step 3: Cross multiply
    366,683.86x = 550,026.25 × 100,446.68
  4. Step 4: Simplify right side
    366,683.86x = 55,248,311,849.30
  5. Step 5: Solve for x
    x = 55,248,311,849.30/366,683.86
  6. Step 6: Final answer
    x = 150,670.15

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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.