Home / 324,260.20-486,131.10-137,117.80

Finding the Fourth Proportional to 324,260.20, 486,131.10 and 137,117.80

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Solution

The fourth proportional to 324,260.20, 486,131.10 and 137,117.80 is: 205,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,260.20 : 486,131.10 = 137,117.80 : x
  2. Step 2: Convert to fraction form
    324,260.20/486,131.10 = 137,117.80/x
  3. Step 3: Cross multiply
    324,260.20x = 486,131.10 × 137,117.80
  4. Step 4: Simplify right side
    324,260.20x = 66,657,226,943.58
  5. Step 5: Solve for x
    x = 66,657,226,943.58/324,260.20
  6. Step 6: Final answer
    x = 205,567.09

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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.