Finding the Fourth Proportional to 355,902.98, 491,146.06 and 194,758.05
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Solution
The fourth proportional to 355,902.98, 491,146.06 and 194,758.05 is: 268,766.07
Step by Step Solution
- Step 1: Write the proportion equation
355,902.98 : 491,146.06 = 194,758.05 : x - Step 2: Convert to fraction form
355,902.98/491,146.06 = 194,758.05/x - Step 3: Cross multiply
355,902.98x = 491,146.06 × 194,758.05 - Step 4: Simplify right side
355,902.98x = 95,654,646,455.05 - Step 5: Solve for x
x = 95,654,646,455.05/355,902.98 - Step 6: Final answer
x = 268,766.07
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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.