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Finding the Fourth Proportional to 446,759.36, 669,176.72 and 209,746.88

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Solution

The fourth proportional to 446,759.36, 669,176.72 and 209,746.88 is: 314,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,759.36 : 669,176.72 = 209,746.88 : x
  2. Step 2: Convert to fraction form
    446,759.36/669,176.72 = 209,746.88/x
  3. Step 3: Cross multiply
    446,759.36x = 669,176.72 × 209,746.88
  4. Step 4: Simplify right side
    446,759.36x = 140,357,729,188.63
  5. Step 5: Solve for x
    x = 140,357,729,188.63/446,759.36
  6. Step 6: Final answer
    x = 314,168.53

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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.