Home / 446,880.40-669,942.92-193,969.60

Finding the Fourth Proportional to 446,880.40, 669,942.92 and 193,969.60

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Solution

The fourth proportional to 446,880.40, 669,942.92 and 193,969.60 is: 290,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,880.40 : 669,942.92 = 193,969.60 : x
  2. Step 2: Convert to fraction form
    446,880.40/669,942.92 = 193,969.60/x
  3. Step 3: Cross multiply
    446,880.40x = 669,942.92 × 193,969.60
  4. Step 4: Simplify right side
    446,880.40x = 129,948,560,215.23
  5. Step 5: Solve for x
    x = 129,948,560,215.23/446,880.40
  6. Step 6: Final answer
    x = 290,790.47

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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.