Finding the Fourth Proportional to 201,935.68, 302,716.64 and 77,176.64
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Solution
The fourth proportional to 201,935.68, 302,716.64 and 77,176.64 is: 115,693.54
Step by Step Solution
- Step 1: Write the proportion equation
201,935.68 : 302,716.64 = 77,176.64 : x - Step 2: Convert to fraction form
201,935.68/302,716.64 = 77,176.64/x - Step 3: Cross multiply
201,935.68x = 302,716.64 × 77,176.64 - Step 4: Simplify right side
201,935.68x = 23,362,653,147.29 - Step 5: Solve for x
x = 23,362,653,147.29/201,935.68 - Step 6: Final answer
x = 115,693.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.