Finding the Fourth Proportional to 246,236.92, 339,802.43 and 138,807.05
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Solution
The fourth proportional to 246,236.92, 339,802.43 and 138,807.05 is: 191,551.17
Step by Step Solution
- Step 1: Write the proportion equation
246,236.92 : 339,802.43 = 138,807.05 : x - Step 2: Convert to fraction form
246,236.92/339,802.43 = 138,807.05/x - Step 3: Cross multiply
246,236.92x = 339,802.43 × 138,807.05 - Step 4: Simplify right side
246,236.92x = 47,166,970,498.08 - Step 5: Solve for x
x = 47,166,970,498.08/246,236.92 - Step 6: Final answer
x = 191,551.17
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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.