Home / 305,946.06-422,205.12-169,992.52

Finding the Fourth Proportional to 305,946.06, 422,205.12 and 169,992.52

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Solution

The fourth proportional to 305,946.06, 422,205.12 and 169,992.52 is: 234,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,946.06 : 422,205.12 = 169,992.52 : x
  2. Step 2: Convert to fraction form
    305,946.06/422,205.12 = 169,992.52/x
  3. Step 3: Cross multiply
    305,946.06x = 422,205.12 × 169,992.52
  4. Step 4: Simplify right side
    305,946.06x = 71,771,712,305.70
  5. Step 5: Solve for x
    x = 71,771,712,305.70/305,946.06
  6. Step 6: Final answer
    x = 234,589.43

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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.