Home / 376,927.66-520,145.89-215,797.69

Finding the Fourth Proportional to 376,927.66, 520,145.89 and 215,797.69

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Solution

The fourth proportional to 376,927.66, 520,145.89 and 215,797.69 is: 297,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,927.66 : 520,145.89 = 215,797.69 : x
  2. Step 2: Convert to fraction form
    376,927.66/520,145.89 = 215,797.69/x
  3. Step 3: Cross multiply
    376,927.66x = 520,145.89 × 215,797.69
  4. Step 4: Simplify right side
    376,927.66x = 112,246,281,524.99
  5. Step 5: Solve for x
    x = 112,246,281,524.99/376,927.66
  6. Step 6: Final answer
    x = 297,792.64

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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.