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Finding the Fourth Proportional to 270,444.60, 405,999.70 and 170,604.60

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Solution

The fourth proportional to 270,444.60, 405,999.70 and 170,604.60 is: 256,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,444.60 : 405,999.70 = 170,604.60 : x
  2. Step 2: Convert to fraction form
    270,444.60/405,999.70 = 170,604.60/x
  3. Step 3: Cross multiply
    270,444.60x = 405,999.70 × 170,604.60
  4. Step 4: Simplify right side
    270,444.60x = 69,265,416,418.62
  5. Step 5: Solve for x
    x = 69,265,416,418.62/270,444.60
  6. Step 6: Final answer
    x = 256,116.84

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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.