Finding the Fourth Proportional to 307,975.97, 462,212.73 and 130,607.44
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Solution
The fourth proportional to 307,975.97, 462,212.73 and 130,607.44 is: 196,016.66
Step by Step Solution
- Step 1: Write the proportion equation
307,975.97 : 462,212.73 = 130,607.44 : x - Step 2: Convert to fraction form
307,975.97/462,212.73 = 130,607.44/x - Step 3: Cross multiply
307,975.97x = 462,212.73 × 130,607.44 - Step 4: Simplify right side
307,975.97x = 60,368,420,245.18 - Step 5: Solve for x
x = 60,368,420,245.18/307,975.97 - Step 6: Final answer
x = 196,016.66
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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.