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Finding the Fourth Proportional to 636,238.76, 954,333.23 and 215,514.63

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Solution

The fourth proportional to 636,238.76, 954,333.23 and 215,514.63 is: 323,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,238.76 : 954,333.23 = 215,514.63 : x
  2. Step 2: Convert to fraction form
    636,238.76/954,333.23 = 215,514.63/x
  3. Step 3: Cross multiply
    636,238.76x = 954,333.23 × 215,514.63
  4. Step 4: Simplify right side
    636,238.76x = 205,672,771,882.58
  5. Step 5: Solve for x
    x = 205,672,771,882.58/636,238.76
  6. Step 6: Final answer
    x = 323,263.51

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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.