Finding the Fourth Proportional to 194,783.73, 292,138.69 and 68,394.26
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Solution
The fourth proportional to 194,783.73, 292,138.69 and 68,394.26 is: 102,578.43
Step by Step Solution
- Step 1: Write the proportion equation
194,783.73 : 292,138.69 = 68,394.26 : x - Step 2: Convert to fraction form
194,783.73/292,138.69 = 68,394.26/x - Step 3: Cross multiply
194,783.73x = 292,138.69 × 68,394.26 - Step 4: Simplify right side
194,783.73x = 19,980,610,079.28 - Step 5: Solve for x
x = 19,980,610,079.28/194,783.73 - Step 6: Final answer
x = 102,578.43
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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.