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Finding the Fourth Proportional to 296,997.60, 445,496.40 and 276,002.40

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Solution

The fourth proportional to 296,997.60, 445,496.40 and 276,002.40 is: 414,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,997.60 : 445,496.40 = 276,002.40 : x
  2. Step 2: Convert to fraction form
    296,997.60/445,496.40 = 276,002.40/x
  3. Step 3: Cross multiply
    296,997.60x = 445,496.40 × 276,002.40
  4. Step 4: Simplify right side
    296,997.60x = 122,958,075,591.36
  5. Step 5: Solve for x
    x = 122,958,075,591.36/296,997.60
  6. Step 6: Final answer
    x = 414,003.60

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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.