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Finding the Fourth Proportional to 366,353.31, 505,814.30 and 228,741.79

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Solution

The fourth proportional to 366,353.31, 505,814.30 and 228,741.79 is: 315,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,353.31 : 505,814.30 = 228,741.79 : x
  2. Step 2: Convert to fraction form
    366,353.31/505,814.30 = 228,741.79/x
  3. Step 3: Cross multiply
    366,353.31x = 505,814.30 × 228,741.79
  4. Step 4: Simplify right side
    366,353.31x = 115,700,869,074.21
  5. Step 5: Solve for x
    x = 115,700,869,074.21/366,353.31
  6. Step 6: Final answer
    x = 315,817.72

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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.