Finding the Fourth Proportional to 204,990.36, 282,874.50 and 118,942.68
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Solution
The fourth proportional to 204,990.36, 282,874.50 and 118,942.68 is: 164,133.82
Step by Step Solution
- Step 1: Write the proportion equation
204,990.36 : 282,874.50 = 118,942.68 : x - Step 2: Convert to fraction form
204,990.36/282,874.50 = 118,942.68/x - Step 3: Cross multiply
204,990.36x = 282,874.50 × 118,942.68 - Step 4: Simplify right side
204,990.36x = 33,645,851,133.66 - Step 5: Solve for x
x = 33,645,851,133.66/204,990.36 - Step 6: Final answer
x = 164,133.82
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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.