Finding the Fourth Proportional to 194,737.80, 292,106.70 and 121,728.45
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Solution
The fourth proportional to 194,737.80, 292,106.70 and 121,728.45 is: 182,592.68
Step by Step Solution
- Step 1: Write the proportion equation
194,737.80 : 292,106.70 = 121,728.45 : x - Step 2: Convert to fraction form
194,737.80/292,106.70 = 121,728.45/x - Step 3: Cross multiply
194,737.80x = 292,106.70 × 121,728.45 - Step 4: Simplify right side
194,737.80x = 35,557,695,825.62 - Step 5: Solve for x
x = 35,557,695,825.62/194,737.80 - Step 6: Final answer
x = 182,592.68
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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.