Home / 268,334.19-402,573.88-90,841.22

Finding the Fourth Proportional to 268,334.19, 402,573.88 and 90,841.22

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Solution

The fourth proportional to 268,334.19, 402,573.88 and 90,841.22 is: 136,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,334.19 : 402,573.88 = 90,841.22 : x
  2. Step 2: Convert to fraction form
    268,334.19/402,573.88 = 90,841.22/x
  3. Step 3: Cross multiply
    268,334.19x = 402,573.88 × 90,841.22
  4. Step 4: Simplify right side
    268,334.19x = 36,570,302,399.33
  5. Step 5: Solve for x
    x = 36,570,302,399.33/268,334.19
  6. Step 6: Final answer
    x = 136,286.41

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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.