Finding the Fourth Proportional to 165,021.16, 227,914.95 and 111,527.14
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Solution
The fourth proportional to 165,021.16, 227,914.95 and 111,527.14 is: 154,032.99
Step by Step Solution
- Step 1: Write the proportion equation
165,021.16 : 227,914.95 = 111,527.14 : x - Step 2: Convert to fraction form
165,021.16/227,914.95 = 111,527.14/x - Step 3: Cross multiply
165,021.16x = 227,914.95 × 111,527.14 - Step 4: Simplify right side
165,021.16x = 25,418,702,536.74 - Step 5: Solve for x
x = 25,418,702,536.74/165,021.16 - Step 6: Final answer
x = 154,032.99
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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.