Home / 306,280.44-422,667.34-170,311.46

Finding the Fourth Proportional to 306,280.44, 422,667.34 and 170,311.46

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Solution

The fourth proportional to 306,280.44, 422,667.34 and 170,311.46 is: 235,029.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,280.44 : 422,667.34 = 170,311.46 : x
  2. Step 2: Convert to fraction form
    306,280.44/422,667.34 = 170,311.46/x
  3. Step 3: Cross multiply
    306,280.44x = 422,667.34 × 170,311.46
  4. Step 4: Simplify right side
    306,280.44x = 71,985,089,230.60
  5. Step 5: Solve for x
    x = 71,985,089,230.60/306,280.44
  6. Step 6: Final answer
    x = 235,029.99

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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.