Finding the Fourth Proportional to 194,376.21, 290,905.93 and 119,543.75
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Solution
The fourth proportional to 194,376.21, 290,905.93 and 119,543.75 is: 178,910.71
Step by Step Solution
- Step 1: Write the proportion equation
194,376.21 : 290,905.93 = 119,543.75 : x - Step 2: Convert to fraction form
194,376.21/290,905.93 = 119,543.75/x - Step 3: Cross multiply
194,376.21x = 290,905.93 × 119,543.75 - Step 4: Simplify right side
194,376.21x = 34,775,985,555.23 - Step 5: Solve for x
x = 34,775,985,555.23/194,376.21 - Step 6: Final answer
x = 178,910.71
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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.