Home / 299,741.31-413,629.94-163,768.84

Finding the Fourth Proportional to 299,741.31, 413,629.94 and 163,768.84

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Solution

The fourth proportional to 299,741.31, 413,629.94 and 163,768.84 is: 225,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,741.31 : 413,629.94 = 163,768.84 : x
  2. Step 2: Convert to fraction form
    299,741.31/413,629.94 = 163,768.84/x
  3. Step 3: Cross multiply
    299,741.31x = 413,629.94 × 163,768.84
  4. Step 4: Simplify right side
    299,741.31x = 67,739,694,838.42
  5. Step 5: Solve for x
    x = 67,739,694,838.42/299,741.31
  6. Step 6: Final answer
    x = 225,993.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.