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Finding the Fourth Proportional to 251,499.60, 377,686.80 and 133,401.60

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Solution

The fourth proportional to 251,499.60, 377,686.80 and 133,401.60 is: 200,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,499.60 : 377,686.80 = 133,401.60 : x
  2. Step 2: Convert to fraction form
    251,499.60/377,686.80 = 133,401.60/x
  3. Step 3: Cross multiply
    251,499.60x = 377,686.80 × 133,401.60
  4. Step 4: Simplify right side
    251,499.60x = 50,384,023,418.88
  5. Step 5: Solve for x
    x = 50,384,023,418.88/251,499.60
  6. Step 6: Final answer
    x = 200,334.41

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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.