Home / 268,334.07-402,573.69-90,841.09

Finding the Fourth Proportional to 268,334.07, 402,573.69 and 90,841.09

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Solution

The fourth proportional to 268,334.07, 402,573.69 and 90,841.09 is: 136,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,334.07 : 402,573.69 = 90,841.09 : x
  2. Step 2: Convert to fraction form
    268,334.07/402,573.69 = 90,841.09/x
  3. Step 3: Cross multiply
    268,334.07x = 402,573.69 × 90,841.09
  4. Step 4: Simplify right side
    268,334.07x = 36,570,232,804.92
  5. Step 5: Solve for x
    x = 36,570,232,804.92/268,334.07
  6. Step 6: Final answer
    x = 136,286.21

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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.