Finding the Fourth Proportional to 186,847.49, 280,104.62 and 68,491.17
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Solution
The fourth proportional to 186,847.49, 280,104.62 and 68,491.17 is: 102,675.68
Step by Step Solution
- Step 1: Write the proportion equation
186,847.49 : 280,104.62 = 68,491.17 : x - Step 2: Convert to fraction form
186,847.49/280,104.62 = 68,491.17/x - Step 3: Cross multiply
186,847.49x = 280,104.62 × 68,491.17 - Step 4: Simplify right side
186,847.49x = 19,184,692,803.75 - Step 5: Solve for x
x = 19,184,692,803.75/186,847.49 - Step 6: Final answer
x = 102,675.68
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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.