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Finding the Fourth Proportional to 416,432.80, 624,940.80 and 179,945.20

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Solution

The fourth proportional to 416,432.80, 624,940.80 and 179,945.20 is: 270,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,432.80 : 624,940.80 = 179,945.20 : x
  2. Step 2: Convert to fraction form
    416,432.80/624,940.80 = 179,945.20/x
  3. Step 3: Cross multiply
    416,432.80x = 624,940.80 × 179,945.20
  4. Step 4: Simplify right side
    416,432.80x = 112,455,097,244.16
  5. Step 5: Solve for x
    x = 112,455,097,244.16/416,432.80
  6. Step 6: Final answer
    x = 270,043.80

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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.