Finding the Fourth Proportional to 235,084.76, 324,415.80 and 127,653.84
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Solution
The fourth proportional to 235,084.76, 324,415.80 and 127,653.84 is: 176,161.66
Step by Step Solution
- Step 1: Write the proportion equation
235,084.76 : 324,415.80 = 127,653.84 : x - Step 2: Convert to fraction form
235,084.76/324,415.80 = 127,653.84/x - Step 3: Cross multiply
235,084.76x = 324,415.80 × 127,653.84 - Step 4: Simplify right side
235,084.76x = 41,412,922,626.67 - Step 5: Solve for x
x = 41,412,922,626.67/235,084.76 - Step 6: Final answer
x = 176,161.66
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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.