Home / 446,221.90-668,348.70-268,418.80

Finding the Fourth Proportional to 446,221.90, 668,348.70 and 268,418.80

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Solution

The fourth proportional to 446,221.90, 668,348.70 and 268,418.80 is: 402,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,221.90 : 668,348.70 = 268,418.80 : x
  2. Step 2: Convert to fraction form
    446,221.90/668,348.70 = 268,418.80/x
  3. Step 3: Cross multiply
    446,221.90x = 668,348.70 × 268,418.80
  4. Step 4: Simplify right side
    446,221.90x = 179,397,356,035.56
  5. Step 5: Solve for x
    x = 179,397,356,035.56/446,221.90
  6. Step 6: Final answer
    x = 402,036.20

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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.