Finding the Fourth Proportional to 194,787.02, 292,212.77 and 68,394.42
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Solution
The fourth proportional to 194,787.02, 292,212.77 and 68,394.42 is: 102,602.95
Step by Step Solution
- Step 1: Write the proportion equation
194,787.02 : 292,212.77 = 68,394.42 : x - Step 2: Convert to fraction form
194,787.02/292,212.77 = 68,394.42/x - Step 3: Cross multiply
194,787.02x = 292,212.77 × 68,394.42 - Step 4: Simplify right side
194,787.02x = 19,985,722,578.77 - Step 5: Solve for x
x = 19,985,722,578.77/194,787.02 - Step 6: Final answer
x = 102,602.95
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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.