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Finding the Fourth Proportional to 289,796.08, 399,944.64 and 168,976.48

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Solution

The fourth proportional to 289,796.08, 399,944.64 and 168,976.48 is: 233,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,796.08 : 399,944.64 = 168,976.48 : x
  2. Step 2: Convert to fraction form
    289,796.08/399,944.64 = 168,976.48/x
  3. Step 3: Cross multiply
    289,796.08x = 399,944.64 × 168,976.48
  4. Step 4: Simplify right side
    289,796.08x = 67,581,237,462.07
  5. Step 5: Solve for x
    x = 67,581,237,462.07/289,796.08
  6. Step 6: Final answer
    x = 233,202.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.