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Finding the Fourth Proportional to 446,339.85, 669,608.19 and 146,808.33

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Solution

The fourth proportional to 446,339.85, 669,608.19 and 146,808.33 is: 220,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,339.85 : 669,608.19 = 146,808.33 : x
  2. Step 2: Convert to fraction form
    446,339.85/669,608.19 = 146,808.33/x
  3. Step 3: Cross multiply
    446,339.85x = 669,608.19 × 146,808.33
  4. Step 4: Simplify right side
    446,339.85x = 98,304,060,128.22
  5. Step 5: Solve for x
    x = 98,304,060,128.22/446,339.85
  6. Step 6: Final answer
    x = 220,244.87

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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.