Finding the Fourth Proportional to 394,533.23, 544,423.41 and 222,441.84
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Solution
The fourth proportional to 394,533.23, 544,423.41 and 222,441.84 is: 306,951.45
Step by Step Solution
- Step 1: Write the proportion equation
394,533.23 : 544,423.41 = 222,441.84 : x - Step 2: Convert to fraction form
394,533.23/544,423.41 = 222,441.84/x - Step 3: Cross multiply
394,533.23x = 544,423.41 × 222,441.84 - Step 4: Simplify right side
394,533.23x = 121,102,545,059.47 - Step 5: Solve for x
x = 121,102,545,059.47/394,533.23 - Step 6: Final answer
x = 306,951.45
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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.