Finding the Fourth Proportional to 191,409.09, 264,159.81 and 110,838.03
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Solution
The fourth proportional to 191,409.09, 264,159.81 and 110,838.03 is: 152,965.32
Step by Step Solution
- Step 1: Write the proportion equation
191,409.09 : 264,159.81 = 110,838.03 : x - Step 2: Convert to fraction form
191,409.09/264,159.81 = 110,838.03/x - Step 3: Cross multiply
191,409.09x = 264,159.81 × 110,838.03 - Step 4: Simplify right side
191,409.09x = 29,278,952,945.57 - Step 5: Solve for x
x = 29,278,952,945.57/191,409.09 - Step 6: Final answer
x = 152,965.32
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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.