Finding the Fourth Proportional to 373,412.58, 515,288.88 and 212,245.26
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Solution
The fourth proportional to 373,412.58, 515,288.88 and 212,245.26 is: 292,886.82
Step by Step Solution
- Step 1: Write the proportion equation
373,412.58 : 515,288.88 = 212,245.26 : x - Step 2: Convert to fraction form
373,412.58/515,288.88 = 212,245.26/x - Step 3: Cross multiply
373,412.58x = 515,288.88 × 212,245.26 - Step 4: Simplify right side
373,412.58x = 109,367,622,310.71 - Step 5: Solve for x
x = 109,367,622,310.71/373,412.58 - Step 6: Final answer
x = 292,886.82
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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.