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Finding the Fourth Proportional to 377,344.44, 520,659.72 and 216,249.96

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Solution

The fourth proportional to 377,344.44, 520,659.72 and 216,249.96 is: 298,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,344.44 : 520,659.72 = 216,249.96 : x
  2. Step 2: Convert to fraction form
    377,344.44/520,659.72 = 216,249.96/x
  3. Step 3: Cross multiply
    377,344.44x = 520,659.72 × 216,249.96
  4. Step 4: Simplify right side
    377,344.44x = 112,592,643,623.61
  5. Step 5: Solve for x
    x = 112,592,643,623.61/377,344.44
  6. Step 6: Final answer
    x = 298,381.62

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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.