Home / 305,848.31-422,056.98-169,891.63

Finding the Fourth Proportional to 305,848.31, 422,056.98 and 169,891.63

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Solution

The fourth proportional to 305,848.31, 422,056.98 and 169,891.63 is: 234,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,848.31 : 422,056.98 = 169,891.63 : x
  2. Step 2: Convert to fraction form
    305,848.31/422,056.98 = 169,891.63/x
  3. Step 3: Cross multiply
    305,848.31x = 422,056.98 × 169,891.63
  4. Step 4: Simplify right side
    305,848.31x = 71,703,947,229.94
  5. Step 5: Solve for x
    x = 71,703,947,229.94/305,848.31
  6. Step 6: Final answer
    x = 234,442.85

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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.