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Finding the Fourth Proportional to 629,944, 944,916 and 186,712

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Solution

The fourth proportional to 629,944, 944,916 and 186,712 is: 280,068

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,944 : 944,916 = 186,712 : x
  2. Step 2: Convert to fraction form
    629,944/944,916 = 186,712/x
  3. Step 3: Cross multiply
    629,944x = 944,916 × 186,712
  4. Step 4: Simplify right side
    629,944x = 176,427,156,192
  5. Step 5: Solve for x
    x = 176,427,156,192/629,944
  6. Step 6: Final answer
    x = 280,068

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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.