Finding the Fourth Proportional to 382,326.48, 573,261.84 and 145,687.68
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Solution
The fourth proportional to 382,326.48, 573,261.84 and 145,687.68 is: 218,444.69
Step by Step Solution
- Step 1: Write the proportion equation
382,326.48 : 573,261.84 = 145,687.68 : x - Step 2: Convert to fraction form
382,326.48/573,261.84 = 145,687.68/x - Step 3: Cross multiply
382,326.48x = 573,261.84 × 145,687.68 - Step 4: Simplify right side
382,326.48x = 83,517,187,502.13 - Step 5: Solve for x
x = 83,517,187,502.13/382,326.48 - Step 6: Final answer
x = 218,444.69
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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.