Finding the Fourth Proportional to 355,876.92, 491,110.14 and 194,731.95
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Solution
The fourth proportional to 355,876.92, 491,110.14 and 194,731.95 is: 268,730.09
Step by Step Solution
- Step 1: Write the proportion equation
355,876.92 : 491,110.14 = 194,731.95 : x - Step 2: Convert to fraction form
355,876.92/491,110.14 = 194,731.95/x - Step 3: Cross multiply
355,876.92x = 491,110.14 × 194,731.95 - Step 4: Simplify right side
355,876.92x = 95,634,835,226.97 - Step 5: Solve for x
x = 95,634,835,226.97/355,876.92 - Step 6: Final answer
x = 268,730.09
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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.