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Finding the Fourth Proportional to 332,604.98, 499,104.33 and 122,390.54

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Solution

The fourth proportional to 332,604.98, 499,104.33 and 122,390.54 is: 183,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,604.98 : 499,104.33 = 122,390.54 : x
  2. Step 2: Convert to fraction form
    332,604.98/499,104.33 = 122,390.54/x
  3. Step 3: Cross multiply
    332,604.98x = 499,104.33 × 122,390.54
  4. Step 4: Simplify right side
    332,604.98x = 61,085,648,465.04
  5. Step 5: Solve for x
    x = 61,085,648,465.04/332,604.98
  6. Step 6: Final answer
    x = 183,658.25

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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.