Finding the Fourth Proportional to 355,904.98, 491,148.82 and 194,760.05
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Solution
The fourth proportional to 355,904.98, 491,148.82 and 194,760.05 is: 268,768.84
Step by Step Solution
- Step 1: Write the proportion equation
355,904.98 : 491,148.82 = 194,760.05 : x - Step 2: Convert to fraction form
355,904.98/491,148.82 = 194,760.05/x - Step 3: Cross multiply
355,904.98x = 491,148.82 × 194,760.05 - Step 4: Simplify right side
355,904.98x = 95,656,168,740.64 - Step 5: Solve for x
x = 95,656,168,740.64/355,904.98 - Step 6: Final answer
x = 268,768.84
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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.