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Finding the Fourth Proportional to 151,871.78, 227,825.91 and 63,185.30

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Solution

The fourth proportional to 151,871.78, 227,825.91 and 63,185.30 is: 94,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,871.78 : 227,825.91 = 63,185.30 : x
  2. Step 2: Convert to fraction form
    151,871.78/227,825.91 = 63,185.30/x
  3. Step 3: Cross multiply
    151,871.78x = 227,825.91 × 63,185.30
  4. Step 4: Simplify right side
    151,871.78x = 14,395,248,471.12
  5. Step 5: Solve for x
    x = 14,395,248,471.12/151,871.78
  6. Step 6: Final answer
    x = 94,785.54

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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.