Home / 293,811.20-440,789.70-83,448.80

Finding the Fourth Proportional to 293,811.20, 440,789.70 and 83,448.80

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Solution

The fourth proportional to 293,811.20, 440,789.70 and 83,448.80 is: 125,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,811.20 : 440,789.70 = 83,448.80 : x
  2. Step 2: Convert to fraction form
    293,811.20/440,789.70 = 83,448.80/x
  3. Step 3: Cross multiply
    293,811.20x = 440,789.70 × 83,448.80
  4. Step 4: Simplify right side
    293,811.20x = 36,783,371,517.36
  5. Step 5: Solve for x
    x = 36,783,371,517.36/293,811.20
  6. Step 6: Final answer
    x = 125,193.91

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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.