Finding the Fourth Proportional to 207,682.14, 286,609.79 and 117,041.93
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Solution
The fourth proportional to 207,682.14, 286,609.79 and 117,041.93 is: 161,522.62
Step by Step Solution
- Step 1: Write the proportion equation
207,682.14 : 286,609.79 = 117,041.93 : x - Step 2: Convert to fraction form
207,682.14/286,609.79 = 117,041.93/x - Step 3: Cross multiply
207,682.14x = 286,609.79 × 117,041.93 - Step 4: Simplify right side
207,682.14x = 33,545,362,978.49 - Step 5: Solve for x
x = 33,545,362,978.49/207,682.14 - Step 6: Final answer
x = 161,522.62
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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.