Finding the Fourth Proportional to 373,280.00, 515,104.19 and 212,112.68
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Solution
The fourth proportional to 373,280.00, 515,104.19 and 212,112.68 is: 292,702.87
Step by Step Solution
- Step 1: Write the proportion equation
373,280.00 : 515,104.19 = 212,112.68 : x - Step 2: Convert to fraction form
373,280.00/515,104.19 = 212,112.68/x - Step 3: Cross multiply
373,280.00x = 515,104.19 × 212,112.68 - Step 4: Simplify right side
373,280.00x = 109,260,126,584.05 - Step 5: Solve for x
x = 109,260,126,584.05/373,280.00 - Step 6: Final answer
x = 292,702.87
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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.