Finding the Fourth Proportional to 355,838.75, 491,053.10 and 194,691.48
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Solution
The fourth proportional to 355,838.75, 491,053.10 and 194,691.48 is: 268,671.85
Step by Step Solution
- Step 1: Write the proportion equation
355,838.75 : 491,053.10 = 194,691.48 : x - Step 2: Convert to fraction form
355,838.75/491,053.10 = 194,691.48/x - Step 3: Cross multiply
355,838.75x = 491,053.10 × 194,691.48 - Step 4: Simplify right side
355,838.75x = 95,603,853,824.13 - Step 5: Solve for x
x = 95,603,853,824.13/355,838.75 - Step 6: Final answer
x = 268,671.85
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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.