Home / 285,919.30-394,561.02-165,056.50

Finding the Fourth Proportional to 285,919.30, 394,561.02 and 165,056.50

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Solution

The fourth proportional to 285,919.30, 394,561.02 and 165,056.50 is: 227,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,919.30 : 394,561.02 = 165,056.50 : x
  2. Step 2: Convert to fraction form
    285,919.30/394,561.02 = 165,056.50/x
  3. Step 3: Cross multiply
    285,919.30x = 394,561.02 × 165,056.50
  4. Step 4: Simplify right side
    285,919.30x = 65,124,860,997.63
  5. Step 5: Solve for x
    x = 65,124,860,997.63/285,919.30
  6. Step 6: Final answer
    x = 227,773.57

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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.