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Finding the Fourth Proportional to 336,142.56, 463,874.52 and 185,239.68

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Solution

The fourth proportional to 336,142.56, 463,874.52 and 185,239.68 is: 255,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,142.56 : 463,874.52 = 185,239.68 : x
  2. Step 2: Convert to fraction form
    336,142.56/463,874.52 = 185,239.68/x
  3. Step 3: Cross multiply
    336,142.56x = 463,874.52 × 185,239.68
  4. Step 4: Simplify right side
    336,142.56x = 85,927,967,644.95
  5. Step 5: Solve for x
    x = 85,927,967,644.95/336,142.56
  6. Step 6: Final answer
    x = 255,629.54

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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.