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Finding the Fourth Proportional to 360,638.28, 541,127.52 and 160,940.88

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Solution

The fourth proportional to 360,638.28, 541,127.52 and 160,940.88 is: 241,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,638.28 : 541,127.52 = 160,940.88 : x
  2. Step 2: Convert to fraction form
    360,638.28/541,127.52 = 160,940.88/x
  3. Step 3: Cross multiply
    360,638.28x = 541,127.52 × 160,940.88
  4. Step 4: Simplify right side
    360,638.28x = 87,089,539,261.02
  5. Step 5: Solve for x
    x = 87,089,539,261.02/360,638.28
  6. Step 6: Final answer
    x = 241,487.23

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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.