Finding the Fourth Proportional to 373,843.68, 515,897.58 and 212,695.26
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Solution
The fourth proportional to 373,843.68, 515,897.58 and 212,695.26 is: 293,515.65
Step by Step Solution
- Step 1: Write the proportion equation
373,843.68 : 515,897.58 = 212,695.26 : x - Step 2: Convert to fraction form
373,843.68/515,897.58 = 212,695.26/x - Step 3: Cross multiply
373,843.68x = 515,897.58 × 212,695.26 - Step 4: Simplify right side
373,843.68x = 109,728,969,911.47 - Step 5: Solve for x
x = 109,728,969,911.47/373,843.68 - Step 6: Final answer
x = 293,515.65
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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.