Finding the Fourth Proportional to 71,492.49, 107,238.05 and 18,184.62
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Solution
The fourth proportional to 71,492.49, 107,238.05 and 18,184.62 is: 27,276.75
Step by Step Solution
- Step 1: Write the proportion equation
71,492.49 : 107,238.05 = 18,184.62 : x - Step 2: Convert to fraction form
71,492.49/107,238.05 = 18,184.62/x - Step 3: Cross multiply
71,492.49x = 107,238.05 × 18,184.62 - Step 4: Simplify right side
71,492.49x = 1,950,083,097.87 - Step 5: Solve for x
x = 1,950,083,097.87/71,492.49 - Step 6: Final answer
x = 27,276.75
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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.