Finding the Fourth Proportional to 193,401.95, 290,116.49 and 80,968.68
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Solution
The fourth proportional to 193,401.95, 290,116.49 and 80,968.68 is: 121,458.70
Step by Step Solution
- Step 1: Write the proportion equation
193,401.95 : 290,116.49 = 80,968.68 : x - Step 2: Convert to fraction form
193,401.95/290,116.49 = 80,968.68/x - Step 3: Cross multiply
193,401.95x = 290,116.49 × 80,968.68 - Step 4: Simplify right side
193,401.95x = 23,490,348,836.69 - Step 5: Solve for x
x = 23,490,348,836.69/193,401.95 - Step 6: Final answer
x = 121,458.70
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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.