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Finding the Fourth Proportional to 60,245.85, 90,200.26 and 45,408.27

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Solution

The fourth proportional to 60,245.85, 90,200.26 and 45,408.27 is: 67,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,245.85 : 90,200.26 = 45,408.27 : x
  2. Step 2: Convert to fraction form
    60,245.85/90,200.26 = 45,408.27/x
  3. Step 3: Cross multiply
    60,245.85x = 90,200.26 × 45,408.27
  4. Step 4: Simplify right side
    60,245.85x = 4,095,837,760.15
  5. Step 5: Solve for x
    x = 4,095,837,760.15/60,245.85
  6. Step 6: Final answer
    x = 67,985.39

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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.