Home / 446,087.20-669,195.60-146,516.80

Finding the Fourth Proportional to 446,087.20, 669,195.60 and 146,516.80

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Solution

The fourth proportional to 446,087.20, 669,195.60 and 146,516.80 is: 219,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,087.20 : 669,195.60 = 146,516.80 : x
  2. Step 2: Convert to fraction form
    446,087.20/669,195.60 = 146,516.80/x
  3. Step 3: Cross multiply
    446,087.20x = 669,195.60 × 146,516.80
  4. Step 4: Simplify right side
    446,087.20x = 98,048,397,886.08
  5. Step 5: Solve for x
    x = 98,048,397,886.08/446,087.20
  6. Step 6: Final answer
    x = 219,796.48

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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.