Finding the Fourth Proportional to 338,687.73, 467,385.21 and 195,444.70
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Solution
The fourth proportional to 338,687.73, 467,385.21 and 195,444.70 is: 269,711.46
Step by Step Solution
- Step 1: Write the proportion equation
338,687.73 : 467,385.21 = 195,444.70 : x - Step 2: Convert to fraction form
338,687.73/467,385.21 = 195,444.70/x - Step 3: Cross multiply
338,687.73x = 467,385.21 × 195,444.70 - Step 4: Simplify right side
338,687.73x = 91,347,961,534.11 - Step 5: Solve for x
x = 91,347,961,534.11/338,687.73 - Step 6: Final answer
x = 269,711.46
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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.