Home / 382,621.20-573,672.60-195,478.80

Finding the Fourth Proportional to 382,621.20, 573,672.60 and 195,478.80

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Solution

The fourth proportional to 382,621.20, 573,672.60 and 195,478.80 is: 293,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,621.20 : 573,672.60 = 195,478.80 : x
  2. Step 2: Convert to fraction form
    382,621.20/573,672.60 = 195,478.80/x
  3. Step 3: Cross multiply
    382,621.20x = 573,672.60 × 195,478.80
  4. Step 4: Simplify right side
    382,621.20x = 112,140,831,440.88
  5. Step 5: Solve for x
    x = 112,140,831,440.88/382,621.20
  6. Step 6: Final answer
    x = 293,085.78

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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.