Finding the Fourth Proportional to 394,383.20, 544,511.57 and 233,289.99
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Solution
The fourth proportional to 394,383.20, 544,511.57 and 233,289.99 is: 322,095.61
Step by Step Solution
- Step 1: Write the proportion equation
394,383.20 : 544,511.57 = 233,289.99 : x - Step 2: Convert to fraction form
394,383.20/544,511.57 = 233,289.99/x - Step 3: Cross multiply
394,383.20x = 544,511.57 × 233,289.99 - Step 4: Simplify right side
394,383.20x = 127,029,097,553.73 - Step 5: Solve for x
x = 127,029,097,553.73/394,383.20 - Step 6: Final answer
x = 322,095.61
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1.5x scale
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.