Finding the Fourth Proportional to 231,318.18, 319,400.01 and 177,517.98
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Solution
The fourth proportional to 231,318.18, 319,400.01 and 177,517.98 is: 245,113.66
Step by Step Solution
- Step 1: Write the proportion equation
231,318.18 : 319,400.01 = 177,517.98 : x - Step 2: Convert to fraction form
231,318.18/319,400.01 = 177,517.98/x - Step 3: Cross multiply
231,318.18x = 319,400.01 × 177,517.98 - Step 4: Simplify right side
231,318.18x = 56,699,244,587.18 - Step 5: Solve for x
x = 56,699,244,587.18/231,318.18 - Step 6: Final answer
x = 245,113.66
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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.