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Finding the Fourth Proportional to 298,280.03, 411,618.15 and 162,310.82

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Solution

The fourth proportional to 298,280.03, 411,618.15 and 162,310.82 is: 223,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,280.03 : 411,618.15 = 162,310.82 : x
  2. Step 2: Convert to fraction form
    298,280.03/411,618.15 = 162,310.82/x
  3. Step 3: Cross multiply
    298,280.03x = 411,618.15 × 162,310.82
  4. Step 4: Simplify right side
    298,280.03x = 66,810,079,453.38
  5. Step 5: Solve for x
    x = 66,810,079,453.38/298,280.03
  6. Step 6: Final answer
    x = 223,984.42

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1.5x scale

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.