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Finding the Fourth Proportional to 446,265.67, 669,420.03 and 146,739.62

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Solution

The fourth proportional to 446,265.67, 669,420.03 and 146,739.62 is: 220,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,265.67 : 669,420.03 = 146,739.62 : x
  2. Step 2: Convert to fraction form
    446,265.67/669,420.03 = 146,739.62/x
  3. Step 3: Cross multiply
    446,265.67x = 669,420.03 × 146,739.62
  4. Step 4: Simplify right side
    446,265.67x = 98,230,440,822.59
  5. Step 5: Solve for x
    x = 98,230,440,822.59/446,265.67
  6. Step 6: Final answer
    x = 220,116.51

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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.