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Finding the Fourth Proportional to 383,453.60, 575,439.60 and 214,973.60

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Solution

The fourth proportional to 383,453.60, 575,439.60 and 214,973.60 is: 322,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,453.60 : 575,439.60 = 214,973.60 : x
  2. Step 2: Convert to fraction form
    383,453.60/575,439.60 = 214,973.60/x
  3. Step 3: Cross multiply
    383,453.60x = 575,439.60 × 214,973.60
  4. Step 4: Simplify right side
    383,453.60x = 123,704,322,394.56
  5. Step 5: Solve for x
    x = 123,704,322,394.56/383,453.60
  6. Step 6: Final answer
    x = 322,605.71

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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.