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Finding the Fourth Proportional to 332,790.90, 498,846.15 and 164,051.70

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Solution

The fourth proportional to 332,790.90, 498,846.15 and 164,051.70 is: 245,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,790.90 : 498,846.15 = 164,051.70 : x
  2. Step 2: Convert to fraction form
    332,790.90/498,846.15 = 164,051.70/x
  3. Step 3: Cross multiply
    332,790.90x = 498,846.15 × 164,051.70
  4. Step 4: Simplify right side
    332,790.90x = 81,836,558,945.96
  5. Step 5: Solve for x
    x = 81,836,558,945.96/332,790.90
  6. Step 6: Final answer
    x = 245,909.85

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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.