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Finding the Fourth Proportional to 500,568.88, 750,847 and 121,492.76

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Solution

The fourth proportional to 500,568.88, 750,847 and 121,492.76 is: 182,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,568.88 : 750,847 = 121,492.76 : x
  2. Step 2: Convert to fraction form
    500,568.88/750,847 = 121,492.76/x
  3. Step 3: Cross multiply
    500,568.88x = 750,847 × 121,492.76
  4. Step 4: Simplify right side
    500,568.88x = 91,222,474,367.72
  5. Step 5: Solve for x
    x = 91,222,474,367.72/500,568.88
  6. Step 6: Final answer
    x = 182,237.61

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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.