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Finding the Fourth Proportional to 166,812.80, 250,219.20 and 162,438.80

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Solution

The fourth proportional to 166,812.80, 250,219.20 and 162,438.80 is: 243,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,812.80 : 250,219.20 = 162,438.80 : x
  2. Step 2: Convert to fraction form
    166,812.80/250,219.20 = 162,438.80/x
  3. Step 3: Cross multiply
    166,812.80x = 250,219.20 × 162,438.80
  4. Step 4: Simplify right side
    166,812.80x = 40,645,306,584.96
  5. Step 5: Solve for x
    x = 40,645,306,584.96/166,812.80
  6. Step 6: Final answer
    x = 243,658.20

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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.