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Finding the Fourth Proportional to 374,344.99, 561,254.52 and 131,126.60

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Solution

The fourth proportional to 374,344.99, 561,254.52 and 131,126.60 is: 196,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,344.99 : 561,254.52 = 131,126.60 : x
  2. Step 2: Convert to fraction form
    374,344.99/561,254.52 = 131,126.60/x
  3. Step 3: Cross multiply
    374,344.99x = 561,254.52 × 131,126.60
  4. Step 4: Simplify right side
    374,344.99x = 73,595,394,942.45
  5. Step 5: Solve for x
    x = 73,595,394,942.45/374,344.99
  6. Step 6: Final answer
    x = 196,597.78

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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.