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Finding the Fourth Proportional to 298,201.20, 411,520.92 and 162,235.92

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Solution

The fourth proportional to 298,201.20, 411,520.92 and 162,235.92 is: 223,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,201.20 : 411,520.92 = 162,235.92 : x
  2. Step 2: Convert to fraction form
    298,201.20/411,520.92 = 162,235.92/x
  3. Step 3: Cross multiply
    298,201.20x = 411,520.92 × 162,235.92
  4. Step 4: Simplify right side
    298,201.20x = 66,763,475,055.45
  5. Step 5: Solve for x
    x = 66,763,475,055.45/298,201.20
  6. Step 6: Final answer
    x = 223,887.35

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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.