Home / 285,194.53-428,212.34-159,081.18

Finding the Fourth Proportional to 285,194.53, 428,212.34 and 159,081.18

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Solution

The fourth proportional to 285,194.53, 428,212.34 and 159,081.18 is: 238,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,194.53 : 428,212.34 = 159,081.18 : x
  2. Step 2: Convert to fraction form
    285,194.53/428,212.34 = 159,081.18/x
  3. Step 3: Cross multiply
    285,194.53x = 428,212.34 × 159,081.18
  4. Step 4: Simplify right side
    285,194.53x = 68,120,522,533.11
  5. Step 5: Solve for x
    x = 68,120,522,533.11/285,194.53
  6. Step 6: Final answer
    x = 238,856.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.