Finding the Fourth Proportional to 222,237.84, 306,786.72 and 141,770.88
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Solution
The fourth proportional to 222,237.84, 306,786.72 and 141,770.88 is: 195,706.65
Step by Step Solution
- Step 1: Write the proportion equation
222,237.84 : 306,786.72 = 141,770.88 : x - Step 2: Convert to fraction form
222,237.84/306,786.72 = 141,770.88/x - Step 3: Cross multiply
222,237.84x = 306,786.72 × 141,770.88 - Step 4: Simplify right side
222,237.84x = 43,493,423,266.71 - Step 5: Solve for x
x = 43,493,423,266.71/222,237.84 - Step 6: Final answer
x = 195,706.65
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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.