Finding the Fourth Proportional to 193,605.84, 290,442.60 and 88,435.44
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Solution
The fourth proportional to 193,605.84, 290,442.60 and 88,435.44 is: 132,668.62
Step by Step Solution
- Step 1: Write the proportion equation
193,605.84 : 290,442.60 = 88,435.44 : x - Step 2: Convert to fraction form
193,605.84/290,442.60 = 88,435.44/x - Step 3: Cross multiply
193,605.84x = 290,442.60 × 88,435.44 - Step 4: Simplify right side
193,605.84x = 25,685,419,125.74 - Step 5: Solve for x
x = 25,685,419,125.74/193,605.84 - Step 6: Final answer
x = 132,668.62
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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.