Finding the Fourth Proportional to 191,586.63, 264,470.93 and 136,431.70
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Solution
The fourth proportional to 191,586.63, 264,470.93 and 136,431.70 is: 188,333.70
Step by Step Solution
- Step 1: Write the proportion equation
191,586.63 : 264,470.93 = 136,431.70 : x - Step 2: Convert to fraction form
191,586.63/264,470.93 = 136,431.70/x - Step 3: Cross multiply
191,586.63x = 264,470.93 × 136,431.70 - Step 4: Simplify right side
191,586.63x = 36,082,218,580.48 - Step 5: Solve for x
x = 36,082,218,580.48/191,586.63 - Step 6: Final answer
x = 188,333.70
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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.