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Finding the Fourth Proportional to 385,156.26, 577,736.10 and 252,873.54

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Solution

The fourth proportional to 385,156.26, 577,736.10 and 252,873.54 is: 379,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,156.26 : 577,736.10 = 252,873.54 : x
  2. Step 2: Convert to fraction form
    385,156.26/577,736.10 = 252,873.54/x
  3. Step 3: Cross multiply
    385,156.26x = 577,736.10 × 252,873.54
  4. Step 4: Simplify right side
    385,156.26x = 146,094,172,792.79
  5. Step 5: Solve for x
    x = 146,094,172,792.79/385,156.26
  6. Step 6: Final answer
    x = 379,311.43

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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.