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Finding the Fourth Proportional to 366,907.80, 550,361.70 and 300,477.68

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Solution

The fourth proportional to 366,907.80, 550,361.70 and 300,477.68 is: 450,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,907.80 : 550,361.70 = 300,477.68 : x
  2. Step 2: Convert to fraction form
    366,907.80/550,361.70 = 300,477.68/x
  3. Step 3: Cross multiply
    366,907.80x = 550,361.70 × 300,477.68
  4. Step 4: Simplify right side
    366,907.80x = 165,371,404,025.05
  5. Step 5: Solve for x
    x = 165,371,404,025.05/366,907.80
  6. Step 6: Final answer
    x = 450,716.51

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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.