Finding the Fourth Proportional to 262,998.53, 394,497.80 and 218,657.10
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Solution
The fourth proportional to 262,998.53, 394,497.80 and 218,657.10 is: 327,985.66
Step by Step Solution
- Step 1: Write the proportion equation
262,998.53 : 394,497.80 = 218,657.10 : x - Step 2: Convert to fraction form
262,998.53/394,497.80 = 218,657.10/x - Step 3: Cross multiply
262,998.53x = 394,497.80 × 218,657.10 - Step 4: Simplify right side
262,998.53x = 86,259,743,811.09 - Step 5: Solve for x
x = 86,259,743,811.09/262,998.53 - Step 6: Final answer
x = 327,985.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.