Home / 311,316.20-467,120.10-161,725.40

Finding the Fourth Proportional to 311,316.20, 467,120.10 and 161,725.40

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Solution

The fourth proportional to 311,316.20, 467,120.10 and 161,725.40 is: 242,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,316.20 : 467,120.10 = 161,725.40 : x
  2. Step 2: Convert to fraction form
    311,316.20/467,120.10 = 161,725.40/x
  3. Step 3: Cross multiply
    311,316.20x = 467,120.10 × 161,725.40
  4. Step 4: Simplify right side
    311,316.20x = 75,545,185,020.54
  5. Step 5: Solve for x
    x = 75,545,185,020.54/311,316.20
  6. Step 6: Final answer
    x = 242,663.84

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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.