Home / 456,243.56-629,620.19-252,308.21

Finding the Fourth Proportional to 456,243.56, 629,620.19 and 252,308.21

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Solution

The fourth proportional to 456,243.56, 629,620.19 and 252,308.21 is: 348,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,243.56 : 629,620.19 = 252,308.21 : x
  2. Step 2: Convert to fraction form
    456,243.56/629,620.19 = 252,308.21/x
  3. Step 3: Cross multiply
    456,243.56x = 629,620.19 × 252,308.21
  4. Step 4: Simplify right side
    456,243.56x = 158,858,338,709.12
  5. Step 5: Solve for x
    x = 158,858,338,709.12/456,243.56
  6. Step 6: Final answer
    x = 348,187.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.