Finding the Fourth Proportional to 256,883.24, 354,570.18 and 149,474.09
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Solution
The fourth proportional to 256,883.24, 354,570.18 and 149,474.09 is: 206,315.74
Step by Step Solution
- Step 1: Write the proportion equation
256,883.24 : 354,570.18 = 149,474.09 : x - Step 2: Convert to fraction form
256,883.24/354,570.18 = 149,474.09/x - Step 3: Cross multiply
256,883.24x = 354,570.18 × 149,474.09 - Step 4: Simplify right side
256,883.24x = 52,999,054,996.64 - Step 5: Solve for x
x = 52,999,054,996.64/256,883.24 - Step 6: Final answer
x = 206,315.74
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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.