Home / 269,286.40-403,485.12-163,786.24

Finding the Fourth Proportional to 269,286.40, 403,485.12 and 163,786.24

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Solution

The fourth proportional to 269,286.40, 403,485.12 and 163,786.24 is: 245,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,286.40 : 403,485.12 = 163,786.24 : x
  2. Step 2: Convert to fraction form
    269,286.40/403,485.12 = 163,786.24/x
  3. Step 3: Cross multiply
    269,286.40x = 403,485.12 × 163,786.24
  4. Step 4: Simplify right side
    269,286.40x = 66,085,310,700.75
  5. Step 5: Solve for x
    x = 66,085,310,700.75/269,286.40
  6. Step 6: Final answer
    x = 245,409.02

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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.