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Finding the Fourth Proportional to 297,480.48, 410,520.78 and 161,511.74

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Solution

The fourth proportional to 297,480.48, 410,520.78 and 161,511.74 is: 222,884.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,480.48 : 410,520.78 = 161,511.74 : x
  2. Step 2: Convert to fraction form
    297,480.48/410,520.78 = 161,511.74/x
  3. Step 3: Cross multiply
    297,480.48x = 410,520.78 × 161,511.74
  4. Step 4: Simplify right side
    297,480.48x = 66,303,925,483.96
  5. Step 5: Solve for x
    x = 66,303,925,483.96/297,480.48
  6. Step 6: Final answer
    x = 222,884.96

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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.