Finding the Fourth Proportional to 193,558.60, 290,374.62 and 67,193.92
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Solution
The fourth proportional to 193,558.60, 290,374.62 and 67,193.92 is: 100,803.63
Step by Step Solution
- Step 1: Write the proportion equation
193,558.60 : 290,374.62 = 67,193.92 : x - Step 2: Convert to fraction form
193,558.60/290,374.62 = 67,193.92/x - Step 3: Cross multiply
193,558.60x = 290,374.62 × 67,193.92 - Step 4: Simplify right side
193,558.60x = 19,511,408,986.31 - Step 5: Solve for x
x = 19,511,408,986.31/193,558.60 - Step 6: Final answer
x = 100,803.63
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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.