Finding the Fourth Proportional to 246,694.27, 340,419.09 and 139,274.92
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Solution
The fourth proportional to 246,694.27, 340,419.09 and 139,274.92 is: 192,188.66
Step by Step Solution
- Step 1: Write the proportion equation
246,694.27 : 340,419.09 = 139,274.92 : x - Step 2: Convert to fraction form
246,694.27/340,419.09 = 139,274.92/x - Step 3: Cross multiply
246,694.27x = 340,419.09 × 139,274.92 - Step 4: Simplify right side
246,694.27x = 47,411,841,526.22 - Step 5: Solve for x
x = 47,411,841,526.22/246,694.27 - Step 6: Final answer
x = 192,188.66
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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.