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Finding the Fourth Proportional to 262,847.26, 362,729.34 and 141,988.54

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Solution

The fourth proportional to 262,847.26, 362,729.34 and 141,988.54 is: 195,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,847.26 : 362,729.34 = 141,988.54 : x
  2. Step 2: Convert to fraction form
    262,847.26/362,729.34 = 141,988.54/x
  3. Step 3: Cross multiply
    262,847.26x = 362,729.34 × 141,988.54
  4. Step 4: Simplify right side
    262,847.26x = 51,503,409,401.76
  5. Step 5: Solve for x
    x = 51,503,409,401.76/262,847.26
  6. Step 6: Final answer
    x = 195,944.25

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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.