Finding the Fourth Proportional to 373,394.19, 515,323.94 and 228,285.12
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Solution
The fourth proportional to 373,394.19, 515,323.94 and 228,285.12 is: 315,057.90
Step by Step Solution
- Step 1: Write the proportion equation
373,394.19 : 515,323.94 = 228,285.12 : x - Step 2: Convert to fraction form
373,394.19/515,323.94 = 228,285.12/x - Step 3: Cross multiply
373,394.19x = 515,323.94 × 228,285.12 - Step 4: Simplify right side
373,394.19x = 117,640,788,052.49 - Step 5: Solve for x
x = 117,640,788,052.49/373,394.19 - Step 6: Final answer
x = 315,057.90
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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.