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Finding the Fourth Proportional to 323,676, 485,514 and 102,060

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Solution

The fourth proportional to 323,676, 485,514 and 102,060 is: 153,090

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,676 : 485,514 = 102,060 : x
  2. Step 2: Convert to fraction form
    323,676/485,514 = 102,060/x
  3. Step 3: Cross multiply
    323,676x = 485,514 × 102,060
  4. Step 4: Simplify right side
    323,676x = 49,551,558,840
  5. Step 5: Solve for x
    x = 49,551,558,840/323,676
  6. Step 6: Final answer
    x = 153,090

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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.