Finding the Fourth Proportional to 203,633.09, 281,013.59 and 118,733.75
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Solution
The fourth proportional to 203,633.09, 281,013.59 and 118,733.75 is: 163,852.53
Step by Step Solution
- Step 1: Write the proportion equation
203,633.09 : 281,013.59 = 118,733.75 : x - Step 2: Convert to fraction form
203,633.09/281,013.59 = 118,733.75/x - Step 3: Cross multiply
203,633.09x = 281,013.59 × 118,733.75 - Step 4: Simplify right side
203,633.09x = 33,365,796,747.99 - Step 5: Solve for x
x = 33,365,796,747.99/203,633.09 - Step 6: Final answer
x = 163,852.53
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1.5x scale
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.