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Finding the Fourth Proportional to 504,080.40, 756,120.60 and 188,520.60

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Solution

The fourth proportional to 504,080.40, 756,120.60 and 188,520.60 is: 282,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,080.40 : 756,120.60 = 188,520.60 : x
  2. Step 2: Convert to fraction form
    504,080.40/756,120.60 = 188,520.60/x
  3. Step 3: Cross multiply
    504,080.40x = 756,120.60 × 188,520.60
  4. Step 4: Simplify right side
    504,080.40x = 142,544,309,184.36
  5. Step 5: Solve for x
    x = 142,544,309,184.36/504,080.40
  6. Step 6: Final answer
    x = 282,780.90

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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.