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Finding the Fourth Proportional to 340,383.20, 510,630.22 and 100,521.37

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Solution

The fourth proportional to 340,383.20, 510,630.22 and 100,521.37 is: 150,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,383.20 : 510,630.22 = 100,521.37 : x
  2. Step 2: Convert to fraction form
    340,383.20/510,630.22 = 100,521.37/x
  3. Step 3: Cross multiply
    340,383.20x = 510,630.22 × 100,521.37
  4. Step 4: Simplify right side
    340,383.20x = 51,329,247,749.92
  5. Step 5: Solve for x
    x = 51,329,247,749.92/340,383.20
  6. Step 6: Final answer
    x = 150,798.42

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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.