Finding the Fourth Proportional to 235,470.75, 324,979.07 and 134,868.75
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Solution
The fourth proportional to 235,470.75, 324,979.07 and 134,868.75 is: 186,135.73
Step by Step Solution
- Step 1: Write the proportion equation
235,470.75 : 324,979.07 = 134,868.75 : x - Step 2: Convert to fraction form
235,470.75/324,979.07 = 134,868.75/x - Step 3: Cross multiply
235,470.75x = 324,979.07 × 134,868.75 - Step 4: Simplify right side
235,470.75x = 43,829,520,272.72 - Step 5: Solve for x
x = 43,829,520,272.72/235,470.75 - Step 6: Final answer
x = 186,135.73
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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.