Home / 446,443.20-669,664.80-269,150.40

Finding the Fourth Proportional to 446,443.20, 669,664.80 and 269,150.40

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Solution

The fourth proportional to 446,443.20, 669,664.80 and 269,150.40 is: 403,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,443.20 : 669,664.80 = 269,150.40 : x
  2. Step 2: Convert to fraction form
    446,443.20/669,664.80 = 269,150.40/x
  3. Step 3: Cross multiply
    446,443.20x = 669,664.80 × 269,150.40
  4. Step 4: Simplify right side
    446,443.20x = 180,240,548,785.92
  5. Step 5: Solve for x
    x = 180,240,548,785.92/446,443.20
  6. Step 6: Final answer
    x = 403,725.60

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Similar ratio
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1.5x scale

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.