Finding the Fourth Proportional to 232,678.70, 348,329.12 and 143,645.92
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Solution
The fourth proportional to 232,678.70, 348,329.12 and 143,645.92 is: 215,043.56
Step by Step Solution
- Step 1: Write the proportion equation
232,678.70 : 348,329.12 = 143,645.92 : x - Step 2: Convert to fraction form
232,678.70/348,329.12 = 143,645.92/x - Step 3: Cross multiply
232,678.70x = 348,329.12 × 143,645.92 - Step 4: Simplify right side
232,678.70x = 50,036,056,905.19 - Step 5: Solve for x
x = 50,036,056,905.19/232,678.70 - Step 6: Final answer
x = 215,043.56
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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.