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Finding the Fourth Proportional to 550,266.20, 825,399.30 and 340,314.20

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Solution

The fourth proportional to 550,266.20, 825,399.30 and 340,314.20 is: 510,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,266.20 : 825,399.30 = 340,314.20 : x
  2. Step 2: Convert to fraction form
    550,266.20/825,399.30 = 340,314.20/x
  3. Step 3: Cross multiply
    550,266.20x = 825,399.30 × 340,314.20
  4. Step 4: Simplify right side
    550,266.20x = 280,895,102,460.06
  5. Step 5: Solve for x
    x = 280,895,102,460.06/550,266.20
  6. Step 6: Final answer
    x = 510,471.30

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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.