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Finding the Fourth Proportional to 197,005.72, 295,555.32 and 63,886

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Solution

The fourth proportional to 197,005.72, 295,555.32 and 63,886 is: 95,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,005.72 : 295,555.32 = 63,886 : x
  2. Step 2: Convert to fraction form
    197,005.72/295,555.32 = 63,886/x
  3. Step 3: Cross multiply
    197,005.72x = 295,555.32 × 63,886
  4. Step 4: Simplify right side
    197,005.72x = 18,881,847,173.52
  5. Step 5: Solve for x
    x = 18,881,847,173.52/197,005.72
  6. Step 6: Final answer
    x = 95,844.16

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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.