Finding the Fourth Proportional to 269,664.94, 372,138.69 and 148,809.70
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Solution
The fourth proportional to 269,664.94, 372,138.69 and 148,809.70 is: 205,357.98
Step by Step Solution
- Step 1: Write the proportion equation
269,664.94 : 372,138.69 = 148,809.70 : x - Step 2: Convert to fraction form
269,664.94/372,138.69 = 148,809.70/x - Step 3: Cross multiply
269,664.94x = 372,138.69 × 148,809.70 - Step 4: Simplify right side
269,664.94x = 55,377,846,817.29 - Step 5: Solve for x
x = 55,377,846,817.29/269,664.94 - Step 6: Final answer
x = 205,357.98
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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.