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Finding the Fourth Proportional to 300,236.98, 451,435.74 and 276,830.87

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Solution

The fourth proportional to 300,236.98, 451,435.74 and 276,830.87 is: 416,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,236.98 : 451,435.74 = 276,830.87 : x
  2. Step 2: Convert to fraction form
    300,236.98/451,435.74 = 276,830.87/x
  3. Step 3: Cross multiply
    300,236.98x = 451,435.74 × 276,830.87
  4. Step 4: Simplify right side
    300,236.98x = 124,971,348,653.29
  5. Step 5: Solve for x
    x = 124,971,348,653.29/300,236.98
  6. Step 6: Final answer
    x = 416,242.36

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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.