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Finding the Fourth Proportional to 285,316.67, 427,960.33 and 95,778.50

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Solution

The fourth proportional to 285,316.67, 427,960.33 and 95,778.50 is: 143,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,316.67 : 427,960.33 = 95,778.50 : x
  2. Step 2: Convert to fraction form
    285,316.67/427,960.33 = 95,778.50/x
  3. Step 3: Cross multiply
    285,316.67x = 427,960.33 × 95,778.50
  4. Step 4: Simplify right side
    285,316.67x = 40,989,396,087.66
  5. Step 5: Solve for x
    x = 40,989,396,087.66/285,316.67
  6. Step 6: Final answer
    x = 143,662.81

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1.5x scale

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.