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Finding the Fourth Proportional to 60,197.70, 90,352.05 and 30,636.75

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Solution

The fourth proportional to 60,197.70, 90,352.05 and 30,636.75 is: 45,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,197.70 : 90,352.05 = 30,636.75 : x
  2. Step 2: Convert to fraction form
    60,197.70/90,352.05 = 30,636.75/x
  3. Step 3: Cross multiply
    60,197.70x = 90,352.05 × 30,636.75
  4. Step 4: Simplify right side
    60,197.70x = 2,768,093,167.84
  5. Step 5: Solve for x
    x = 2,768,093,167.84/60,197.70
  6. Step 6: Final answer
    x = 45,983.37

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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.