Finding the Fourth Proportional to 235,879.75, 325,517.93 and 133,908.21
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Solution
The fourth proportional to 235,879.75, 325,517.93 and 133,908.21 is: 184,795.53
Step by Step Solution
- Step 1: Write the proportion equation
235,879.75 : 325,517.93 = 133,908.21 : x - Step 2: Convert to fraction form
235,879.75/325,517.93 = 133,908.21/x - Step 3: Cross multiply
235,879.75x = 325,517.93 × 133,908.21 - Step 4: Simplify right side
235,879.75x = 43,589,523,329.21 - Step 5: Solve for x
x = 43,589,523,329.21/235,879.75 - Step 6: Final answer
x = 184,795.53
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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.