Home / 255,370.20-382,148.10-222,451.80

Finding the Fourth Proportional to 255,370.20, 382,148.10 and 222,451.80

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Solution

The fourth proportional to 255,370.20, 382,148.10 and 222,451.80 is: 332,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,370.20 : 382,148.10 = 222,451.80 : x
  2. Step 2: Convert to fraction form
    255,370.20/382,148.10 = 222,451.80/x
  3. Step 3: Cross multiply
    255,370.20x = 382,148.10 × 222,451.80
  4. Step 4: Simplify right side
    255,370.20x = 85,009,532,711.58
  5. Step 5: Solve for x
    x = 85,009,532,711.58/255,370.20
  6. Step 6: Final answer
    x = 332,887.44

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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.