Finding the Fourth Proportional to 230,331.30, 344,716.62 and 141,640.98
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Solution
The fourth proportional to 230,331.30, 344,716.62 and 141,640.98 is: 211,981.61
Step by Step Solution
- Step 1: Write the proportion equation
230,331.30 : 344,716.62 = 141,640.98 : x - Step 2: Convert to fraction form
230,331.30/344,716.62 = 141,640.98/x - Step 3: Cross multiply
230,331.30x = 344,716.62 × 141,640.98 - Step 4: Simplify right side
230,331.30x = 48,825,999,879.09 - Step 5: Solve for x
x = 48,825,999,879.09/230,331.30 - Step 6: Final answer
x = 211,981.61
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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.