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Finding the Fourth Proportional to 363,144.09, 544,803.64 and 113,826.09

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Solution

The fourth proportional to 363,144.09, 544,803.64 and 113,826.09 is: 170,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,144.09 : 544,803.64 = 113,826.09 : x
  2. Step 2: Convert to fraction form
    363,144.09/544,803.64 = 113,826.09/x
  3. Step 3: Cross multiply
    363,144.09x = 544,803.64 × 113,826.09
  4. Step 4: Simplify right side
    363,144.09x = 62,012,869,917.42
  5. Step 5: Solve for x
    x = 62,012,869,917.42/363,144.09
  6. Step 6: Final answer
    x = 170,766.57

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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.