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Finding the Fourth Proportional to 332,816.42, 459,286.90 and 181,913.42

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Solution

The fourth proportional to 332,816.42, 459,286.90 and 181,913.42 is: 251,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,816.42 : 459,286.90 = 181,913.42 : x
  2. Step 2: Convert to fraction form
    332,816.42/459,286.90 = 181,913.42/x
  3. Step 3: Cross multiply
    332,816.42x = 459,286.90 × 181,913.42
  4. Step 4: Simplify right side
    332,816.42x = 83,550,450,740.20
  5. Step 5: Solve for x
    x = 83,550,450,740.20/332,816.42
  6. Step 6: Final answer
    x = 251,040.65

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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.