Home / 268,252.43-402,012.32-135,222.68

Finding the Fourth Proportional to 268,252.43, 402,012.32 and 135,222.68

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Solution

The fourth proportional to 268,252.43, 402,012.32 and 135,222.68 is: 202,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,252.43 : 402,012.32 = 135,222.68 : x
  2. Step 2: Convert to fraction form
    268,252.43/402,012.32 = 135,222.68/x
  3. Step 3: Cross multiply
    268,252.43x = 402,012.32 × 135,222.68
  4. Step 4: Simplify right side
    268,252.43x = 54,361,183,632.34
  5. Step 5: Solve for x
    x = 54,361,183,632.34/268,252.43
  6. Step 6: Final answer
    x = 202,649.37

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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.