Home / 305,249.04-421,244.82-169,295.58

Finding the Fourth Proportional to 305,249.04, 421,244.82 and 169,295.58

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Solution

The fourth proportional to 305,249.04, 421,244.82 and 169,295.58 is: 233,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,249.04 : 421,244.82 = 169,295.58 : x
  2. Step 2: Convert to fraction form
    305,249.04/421,244.82 = 169,295.58/x
  3. Step 3: Cross multiply
    305,249.04x = 421,244.82 × 169,295.58
  4. Step 4: Simplify right side
    305,249.04x = 71,314,886,123.90
  5. Step 5: Solve for x
    x = 71,314,886,123.90/305,249.04
  6. Step 6: Final answer
    x = 233,628.54

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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.