Home / 446,292.82-669,439.22-130,749.72

Finding the Fourth Proportional to 446,292.82, 669,439.22 and 130,749.72

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Solution

The fourth proportional to 446,292.82, 669,439.22 and 130,749.72 is: 196,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,292.82 : 669,439.22 = 130,749.72 : x
  2. Step 2: Convert to fraction form
    446,292.82/669,439.22 = 130,749.72/x
  3. Step 3: Cross multiply
    446,292.82x = 669,439.22 × 130,749.72
  4. Step 4: Simplify right side
    446,292.82x = 87,528,990,572.02
  5. Step 5: Solve for x
    x = 87,528,990,572.02/446,292.82
  6. Step 6: Final answer
    x = 196,124.58

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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.