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Finding the Fourth Proportional to 668,094.82, 1,002,144.22 and 162,655.73

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Solution

The fourth proportional to 668,094.82, 1,002,144.22 and 162,655.73 is: 243,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,094.82 : 1,002,144.22 = 162,655.73 : x
  2. Step 2: Convert to fraction form
    668,094.82/1,002,144.22 = 162,655.73/x
  3. Step 3: Cross multiply
    668,094.82x = 1,002,144.22 × 162,655.73
  4. Step 4: Simplify right side
    668,094.82x = 163,004,498,010.06
  5. Step 5: Solve for x
    x = 163,004,498,010.06/668,094.82
  6. Step 6: Final answer
    x = 243,984.08

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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.