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Finding the Fourth Proportional to 285,453.59, 428,014.35 and 107,974.44

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Solution

The fourth proportional to 285,453.59, 428,014.35 and 107,974.44 is: 161,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,453.59 : 428,014.35 = 107,974.44 : x
  2. Step 2: Convert to fraction form
    285,453.59/428,014.35 = 107,974.44/x
  3. Step 3: Cross multiply
    285,453.59x = 428,014.35 × 107,974.44
  4. Step 4: Simplify right side
    285,453.59x = 46,214,611,260.68
  5. Step 5: Solve for x
    x = 46,214,611,260.68/285,453.59
  6. Step 6: Final answer
    x = 161,898.86

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1.5x scale

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.