Home / 376,895.21-520,151.96-215,773.25

Finding the Fourth Proportional to 376,895.21, 520,151.96 and 215,773.25

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Solution

The fourth proportional to 376,895.21, 520,151.96 and 215,773.25 is: 297,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,895.21 : 520,151.96 = 215,773.25 : x
  2. Step 2: Convert to fraction form
    376,895.21/520,151.96 = 215,773.25/x
  3. Step 3: Cross multiply
    376,895.21x = 520,151.96 × 215,773.25
  4. Step 4: Simplify right side
    376,895.21x = 112,234,876,841.74
  5. Step 5: Solve for x
    x = 112,234,876,841.74/376,895.21
  6. Step 6: Final answer
    x = 297,788.02

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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.