Home / 303,131.08-418,311.24-167,170.72

Finding the Fourth Proportional to 303,131.08, 418,311.24 and 167,170.72

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Solution

The fourth proportional to 303,131.08, 418,311.24 and 167,170.72 is: 230,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,131.08 : 418,311.24 = 167,170.72 : x
  2. Step 2: Convert to fraction form
    303,131.08/418,311.24 = 167,170.72/x
  3. Step 3: Cross multiply
    303,131.08x = 418,311.24 × 167,170.72
  4. Step 4: Simplify right side
    303,131.08x = 69,929,391,174.89
  5. Step 5: Solve for x
    x = 69,929,391,174.89/303,131.08
  6. Step 6: Final answer
    x = 230,690.27

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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.