Home / 441,331.20-661,996.80-254,707.20

Finding the Fourth Proportional to 441,331.20, 661,996.80 and 254,707.20

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Solution

The fourth proportional to 441,331.20, 661,996.80 and 254,707.20 is: 382,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,331.20 : 661,996.80 = 254,707.20 : x
  2. Step 2: Convert to fraction form
    441,331.20/661,996.80 = 254,707.20/x
  3. Step 3: Cross multiply
    441,331.20x = 661,996.80 × 254,707.20
  4. Step 4: Simplify right side
    441,331.20x = 168,615,351,336.96
  5. Step 5: Solve for x
    x = 168,615,351,336.96/441,331.20
  6. Step 6: Final answer
    x = 382,060.80

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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.