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Finding the Fourth Proportional to 636,485.06, 954,656.31 and 163,181.54

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Solution

The fourth proportional to 636,485.06, 954,656.31 and 163,181.54 is: 244,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,485.06 : 954,656.31 = 163,181.54 : x
  2. Step 2: Convert to fraction form
    636,485.06/954,656.31 = 163,181.54/x
  3. Step 3: Cross multiply
    636,485.06x = 954,656.31 × 163,181.54
  4. Step 4: Simplify right side
    636,485.06x = 155,782,286,836.52
  5. Step 5: Solve for x
    x = 155,782,286,836.52/636,485.06
  6. Step 6: Final answer
    x = 244,754.04

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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.