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Finding the Fourth Proportional to 198,150.63, 297,163.54 and 64,999.95

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Solution

The fourth proportional to 198,150.63, 297,163.54 and 64,999.95 is: 97,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,150.63 : 297,163.54 = 64,999.95 : x
  2. Step 2: Convert to fraction form
    198,150.63/297,163.54 = 64,999.95/x
  3. Step 3: Cross multiply
    198,150.63x = 297,163.54 × 64,999.95
  4. Step 4: Simplify right side
    198,150.63x = 19,315,615,241.82
  5. Step 5: Solve for x
    x = 19,315,615,241.82/198,150.63
  6. Step 6: Final answer
    x = 97,479.45

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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.