Home / 340,908.30-511,436.25-130,546.23

Finding the Fourth Proportional to 340,908.30, 511,436.25 and 130,546.23

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Solution

The fourth proportional to 340,908.30, 511,436.25 and 130,546.23 is: 195,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,908.30 : 511,436.25 = 130,546.23 : x
  2. Step 2: Convert to fraction form
    340,908.30/511,436.25 = 130,546.23/x
  3. Step 3: Cross multiply
    340,908.30x = 511,436.25 × 130,546.23
  4. Step 4: Simplify right side
    340,908.30x = 66,766,074,322.84
  5. Step 5: Solve for x
    x = 66,766,074,322.84/340,908.30
  6. Step 6: Final answer
    x = 195,847.61

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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.