Home / 376,853.13-520,080.48-215,704.44

Finding the Fourth Proportional to 376,853.13, 520,080.48 and 215,704.44

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Solution

The fourth proportional to 376,853.13, 520,080.48 and 215,704.44 is: 297,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,853.13 : 520,080.48 = 215,704.44 : x
  2. Step 2: Convert to fraction form
    376,853.13/520,080.48 = 215,704.44/x
  3. Step 3: Cross multiply
    376,853.13x = 520,080.48 × 215,704.44
  4. Step 4: Simplify right side
    376,853.13x = 112,183,668,693.33
  5. Step 5: Solve for x
    x = 112,183,668,693.33/376,853.13
  6. Step 6: Final answer
    x = 297,685.38

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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.