Home / 285,914.16-394,579.20-165,077.52

Finding the Fourth Proportional to 285,914.16, 394,579.20 and 165,077.52

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Solution

The fourth proportional to 285,914.16, 394,579.20 and 165,077.52 is: 227,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,914.16 : 394,579.20 = 165,077.52 : x
  2. Step 2: Convert to fraction form
    285,914.16/394,579.20 = 165,077.52/x
  3. Step 3: Cross multiply
    285,914.16x = 394,579.20 × 165,077.52
  4. Step 4: Simplify right side
    285,914.16x = 65,136,155,779.58
  5. Step 5: Solve for x
    x = 65,136,155,779.58/285,914.16
  6. Step 6: Final answer
    x = 227,817.17

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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.