Home / 356,819.33-492,417.44-195,664.77

Finding the Fourth Proportional to 356,819.33, 492,417.44 and 195,664.77

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Solution

The fourth proportional to 356,819.33, 492,417.44 and 195,664.77 is: 270,021.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,819.33 : 492,417.44 = 195,664.77 : x
  2. Step 2: Convert to fraction form
    356,819.33/492,417.44 = 195,664.77/x
  3. Step 3: Cross multiply
    356,819.33x = 492,417.44 × 195,664.77
  4. Step 4: Simplify right side
    356,819.33x = 96,348,741,701.18
  5. Step 5: Solve for x
    x = 96,348,741,701.18/356,819.33
  6. Step 6: Final answer
    x = 270,021.09

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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.