Home / 305,269.22-421,297.40-169,346.97

Finding the Fourth Proportional to 305,269.22, 421,297.40 and 169,346.97

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Solution

The fourth proportional to 305,269.22, 421,297.40 and 169,346.97 is: 233,713.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,269.22 : 421,297.40 = 169,346.97 : x
  2. Step 2: Convert to fraction form
    305,269.22/421,297.40 = 169,346.97/x
  3. Step 3: Cross multiply
    305,269.22x = 421,297.40 × 169,346.97
  4. Step 4: Simplify right side
    305,269.22x = 71,345,438,582.25
  5. Step 5: Solve for x
    x = 71,345,438,582.25/305,269.22
  6. Step 6: Final answer
    x = 233,713.17

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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.