Finding the Fourth Proportional to 247,857.21, 342,045.63 and 134,679.96
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Solution
The fourth proportional to 247,857.21, 342,045.63 and 134,679.96 is: 185,859.80
Step by Step Solution
- Step 1: Write the proportion equation
247,857.21 : 342,045.63 = 134,679.96 : x - Step 2: Convert to fraction form
247,857.21/342,045.63 = 134,679.96/x - Step 3: Cross multiply
247,857.21x = 342,045.63 × 134,679.96 - Step 4: Simplify right side
247,857.21x = 46,066,691,766.57 - Step 5: Solve for x
x = 46,066,691,766.57/247,857.21 - Step 6: Final answer
x = 185,859.80
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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.