Finding the Fourth Proportional to 235,364.79, 324,809.73 and 127,942.05
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Solution
The fourth proportional to 235,364.79, 324,809.73 and 127,942.05 is: 176,563.46
Step by Step Solution
- Step 1: Write the proportion equation
235,364.79 : 324,809.73 = 127,942.05 : x - Step 2: Convert to fraction form
235,364.79/324,809.73 = 127,942.05/x - Step 3: Cross multiply
235,364.79x = 324,809.73 × 127,942.05 - Step 4: Simplify right side
235,364.79x = 41,556,822,716.15 - Step 5: Solve for x
x = 41,556,822,716.15/235,364.79 - Step 6: Final answer
x = 176,563.46
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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.