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Finding the Fourth Proportional to 340,179.52, 510,191.36 and 100,231.36

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Solution

The fourth proportional to 340,179.52, 510,191.36 and 100,231.36 is: 150,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,179.52 : 510,191.36 = 100,231.36 : x
  2. Step 2: Convert to fraction form
    340,179.52/510,191.36 = 100,231.36/x
  3. Step 3: Cross multiply
    340,179.52x = 510,191.36 × 100,231.36
  4. Step 4: Simplify right side
    340,179.52x = 51,137,173,873.05
  5. Step 5: Solve for x
    x = 51,137,173,873.05/340,179.52
  6. Step 6: Final answer
    x = 150,324.08

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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.