Finding the Fourth Proportional to 373,845.80, 515,838.15 and 212,691.44
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Solution
The fourth proportional to 373,845.80, 515,838.15 and 212,691.44 is: 293,474.90
Step by Step Solution
- Step 1: Write the proportion equation
373,845.80 : 515,838.15 = 212,691.44 : x - Step 2: Convert to fraction form
373,845.80/515,838.15 = 212,691.44/x - Step 3: Cross multiply
373,845.80x = 515,838.15 × 212,691.44 - Step 4: Simplify right side
373,845.80x = 109,714,358,930.44 - Step 5: Solve for x
x = 109,714,358,930.44/373,845.80 - Step 6: Final answer
x = 293,474.90
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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.