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Finding the Fourth Proportional to 332,958.90, 459,513.30 and 189,765.08

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Solution

The fourth proportional to 332,958.90, 459,513.30 and 189,765.08 is: 261,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,958.90 : 459,513.30 = 189,765.08 : x
  2. Step 2: Convert to fraction form
    332,958.90/459,513.30 = 189,765.08/x
  3. Step 3: Cross multiply
    332,958.90x = 459,513.30 × 189,765.08
  4. Step 4: Simplify right side
    332,958.90x = 87,199,578,272.79
  5. Step 5: Solve for x
    x = 87,199,578,272.79/332,958.90
  6. Step 6: Final answer
    x = 261,892.92

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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.