Home / 285,926.79-394,596.87-165,090.18

Finding the Fourth Proportional to 285,926.79, 394,596.87 and 165,090.18

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Solution

The fourth proportional to 285,926.79, 394,596.87 and 165,090.18 is: 227,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,926.79 : 394,596.87 = 165,090.18 : x
  2. Step 2: Convert to fraction form
    285,926.79/394,596.87 = 165,090.18/x
  3. Step 3: Cross multiply
    285,926.79x = 394,596.87 × 165,090.18
  4. Step 4: Simplify right side
    285,926.79x = 65,144,068,295.74
  5. Step 5: Solve for x
    x = 65,144,068,295.74/285,926.79
  6. Step 6: Final answer
    x = 227,834.78

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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.