Finding the Fourth Proportional to 242,537.14, 334,711.32 and 135,107.14
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Solution
The fourth proportional to 242,537.14, 334,711.32 and 135,107.14 is: 186,453.46
Step by Step Solution
- Step 1: Write the proportion equation
242,537.14 : 334,711.32 = 135,107.14 : x - Step 2: Convert to fraction form
242,537.14/334,711.32 = 135,107.14/x - Step 3: Cross multiply
242,537.14x = 334,711.32 × 135,107.14 - Step 4: Simplify right side
242,537.14x = 45,221,889,170.82 - Step 5: Solve for x
x = 45,221,889,170.82/242,537.14 - Step 6: Final answer
x = 186,453.46
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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.