Home / 220,375.32-330,562.98-145,477.92

Finding the Fourth Proportional to 220,375.32, 330,562.98 and 145,477.92

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Solution

The fourth proportional to 220,375.32, 330,562.98 and 145,477.92 is: 218,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,375.32 : 330,562.98 = 145,477.92 : x
  2. Step 2: Convert to fraction form
    220,375.32/330,562.98 = 145,477.92/x
  3. Step 3: Cross multiply
    220,375.32x = 330,562.98 × 145,477.92
  4. Step 4: Simplify right side
    220,375.32x = 48,089,614,759.40
  5. Step 5: Solve for x
    x = 48,089,614,759.40/220,375.32
  6. Step 6: Final answer
    x = 218,216.88

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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.