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Finding the Fourth Proportional to 360,940.80, 540,244.80 and 281,625.60

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Solution

The fourth proportional to 360,940.80, 540,244.80 and 281,625.60 is: 421,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,940.80 : 540,244.80 = 281,625.60 : x
  2. Step 2: Convert to fraction form
    360,940.80/540,244.80 = 281,625.60/x
  3. Step 3: Cross multiply
    360,940.80x = 540,244.80 × 281,625.60
  4. Step 4: Simplify right side
    360,940.80x = 152,146,765,946.88
  5. Step 5: Solve for x
    x = 152,146,765,946.88/360,940.80
  6. Step 6: Final answer
    x = 421,528.31

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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.