Home / 326,819.91-490,230.24-102,181.52

Finding the Fourth Proportional to 326,819.91, 490,230.24 and 102,181.52

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Solution

The fourth proportional to 326,819.91, 490,230.24 and 102,181.52 is: 153,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,819.91 : 490,230.24 = 102,181.52 : x
  2. Step 2: Convert to fraction form
    326,819.91/490,230.24 = 102,181.52/x
  3. Step 3: Cross multiply
    326,819.91x = 490,230.24 × 102,181.52
  4. Step 4: Simplify right side
    326,819.91x = 50,092,471,073.16
  5. Step 5: Solve for x
    x = 50,092,471,073.16/326,819.91
  6. Step 6: Final answer
    x = 153,272.40

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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.