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Finding the Fourth Proportional to 192,063.40, 288,095.10 and 161,650.60

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Solution

The fourth proportional to 192,063.40, 288,095.10 and 161,650.60 is: 242,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,063.40 : 288,095.10 = 161,650.60 : x
  2. Step 2: Convert to fraction form
    192,063.40/288,095.10 = 161,650.60/x
  3. Step 3: Cross multiply
    192,063.40x = 288,095.10 × 161,650.60
  4. Step 4: Simplify right side
    192,063.40x = 46,570,745,772.06
  5. Step 5: Solve for x
    x = 46,570,745,772.06/192,063.40
  6. Step 6: Final answer
    x = 242,475.90

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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.