Finding the Fourth Proportional to 246,663.87, 340,396.49 and 133,486.62
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Solution
The fourth proportional to 246,663.87, 340,396.49 and 133,486.62 is: 184,211.72
Step by Step Solution
- Step 1: Write the proportion equation
246,663.87 : 340,396.49 = 133,486.62 : x - Step 2: Convert to fraction form
246,663.87/340,396.49 = 133,486.62/x - Step 3: Cross multiply
246,663.87x = 340,396.49 × 133,486.62 - Step 4: Simplify right side
246,663.87x = 45,438,375,967.19 - Step 5: Solve for x
x = 45,438,375,967.19/246,663.87 - Step 6: Final answer
x = 184,211.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.