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Finding the Fourth Proportional to 351,850.38, 527,776.02 and 85,610.94

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Solution

The fourth proportional to 351,850.38, 527,776.02 and 85,610.94 is: 128,416.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,850.38 : 527,776.02 = 85,610.94 : x
  2. Step 2: Convert to fraction form
    351,850.38/527,776.02 = 85,610.94/x
  3. Step 3: Cross multiply
    351,850.38x = 527,776.02 × 85,610.94
  4. Step 4: Simplify right side
    351,850.38x = 45,183,401,181.66
  5. Step 5: Solve for x
    x = 45,183,401,181.66/351,850.38
  6. Step 6: Final answer
    x = 128,416.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.