Finding the Fourth Proportional to 191,687.67, 264,530.07 and 111,162.99
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Solution
The fourth proportional to 191,687.67, 264,530.07 and 111,162.99 is: 153,405.56
Step by Step Solution
- Step 1: Write the proportion equation
191,687.67 : 264,530.07 = 111,162.99 : x - Step 2: Convert to fraction form
191,687.67/264,530.07 = 111,162.99/x - Step 3: Cross multiply
191,687.67x = 264,530.07 × 111,162.99 - Step 4: Simplify right side
191,687.67x = 29,405,953,526.11 - Step 5: Solve for x
x = 29,405,953,526.11/191,687.67 - Step 6: Final answer
x = 153,405.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.