Home / 305,787.77-422,001.14-169,822.34

Finding the Fourth Proportional to 305,787.77, 422,001.14 and 169,822.34

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Solution

The fourth proportional to 305,787.77, 422,001.14 and 169,822.34 is: 234,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,787.77 : 422,001.14 = 169,822.34 : x
  2. Step 2: Convert to fraction form
    305,787.77/422,001.14 = 169,822.34/x
  3. Step 3: Cross multiply
    305,787.77x = 422,001.14 × 169,822.34
  4. Step 4: Simplify right side
    305,787.77x = 71,665,218,118.35
  5. Step 5: Solve for x
    x = 71,665,218,118.35/305,787.77
  6. Step 6: Final answer
    x = 234,362.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.