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Finding the Fourth Proportional to 293,453.40, 440,180.10 and 273,624.60

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Solution

The fourth proportional to 293,453.40, 440,180.10 and 273,624.60 is: 410,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,453.40 : 440,180.10 = 273,624.60 : x
  2. Step 2: Convert to fraction form
    293,453.40/440,180.10 = 273,624.60/x
  3. Step 3: Cross multiply
    293,453.40x = 440,180.10 × 273,624.60
  4. Step 4: Simplify right side
    293,453.40x = 120,444,103,790.46
  5. Step 5: Solve for x
    x = 120,444,103,790.46/293,453.40
  6. Step 6: Final answer
    x = 410,436.90

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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.