Home / 329,904.20-494,741.10-172,080.20

Finding the Fourth Proportional to 329,904.20, 494,741.10 and 172,080.20

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Solution

The fourth proportional to 329,904.20, 494,741.10 and 172,080.20 is: 258,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,904.20 : 494,741.10 = 172,080.20 : x
  2. Step 2: Convert to fraction form
    329,904.20/494,741.10 = 172,080.20/x
  3. Step 3: Cross multiply
    329,904.20x = 494,741.10 × 172,080.20
  4. Step 4: Simplify right side
    329,904.20x = 85,135,147,436.22
  5. Step 5: Solve for x
    x = 85,135,147,436.22/329,904.20
  6. Step 6: Final answer
    x = 258,060.21

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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.