Finding the Fourth Proportional to 256,687.11, 354,086.00 and 149,245.26
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Solution
The fourth proportional to 256,687.11, 354,086.00 and 149,245.26 is: 205,875.77
Step by Step Solution
- Step 1: Write the proportion equation
256,687.11 : 354,086.00 = 149,245.26 : x - Step 2: Convert to fraction form
256,687.11/354,086.00 = 149,245.26/x - Step 3: Cross multiply
256,687.11x = 354,086.00 × 149,245.26 - Step 4: Simplify right side
256,687.11x = 52,845,656,386.13 - Step 5: Solve for x
x = 52,845,656,386.13/256,687.11 - Step 6: Final answer
x = 205,875.77
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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.