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Finding the Fourth Proportional to 338,219.10, 507,375.24 and 113,643.70

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Solution

The fourth proportional to 338,219.10, 507,375.24 and 113,643.70 is: 170,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,219.10 : 507,375.24 = 113,643.70 : x
  2. Step 2: Convert to fraction form
    338,219.10/507,375.24 = 113,643.70/x
  3. Step 3: Cross multiply
    338,219.10x = 507,375.24 × 113,643.70
  4. Step 4: Simplify right side
    338,219.10x = 57,659,998,293.55
  5. Step 5: Solve for x
    x = 57,659,998,293.55/338,219.10
  6. Step 6: Final answer
    x = 170,481.20

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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.