Home / 439,580.56-659,198.30-155,210.44

Finding the Fourth Proportional to 439,580.56, 659,198.30 and 155,210.44

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Solution

The fourth proportional to 439,580.56, 659,198.30 and 155,210.44 is: 232,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,580.56 : 659,198.30 = 155,210.44 : x
  2. Step 2: Convert to fraction form
    439,580.56/659,198.30 = 155,210.44/x
  3. Step 3: Cross multiply
    439,580.56x = 659,198.30 × 155,210.44
  4. Step 4: Simplify right side
    439,580.56x = 102,314,458,190.25
  5. Step 5: Solve for x
    x = 102,314,458,190.25/439,580.56
  6. Step 6: Final answer
    x = 232,754.74

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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.