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Finding the Fourth Proportional to 404,910.36, 606,838.73 and 164,744.35

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Solution

The fourth proportional to 404,910.36, 606,838.73 and 164,744.35 is: 246,902.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,910.36 : 606,838.73 = 164,744.35 : x
  2. Step 2: Convert to fraction form
    404,910.36/606,838.73 = 164,744.35/x
  3. Step 3: Cross multiply
    404,910.36x = 606,838.73 × 164,744.35
  4. Step 4: Simplify right side
    404,910.36x = 99,973,249,787.86
  5. Step 5: Solve for x
    x = 99,973,249,787.86/404,910.36
  6. Step 6: Final answer
    x = 246,902.18

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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.