Finding the Fourth Proportional to 228,096.75, 314,760.81 and 126,116.09
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Solution
The fourth proportional to 228,096.75, 314,760.81 and 126,116.09 is: 174,033.18
Step by Step Solution
- Step 1: Write the proportion equation
228,096.75 : 314,760.81 = 126,116.09 : x - Step 2: Convert to fraction form
228,096.75/314,760.81 = 126,116.09/x - Step 3: Cross multiply
228,096.75x = 314,760.81 × 126,116.09 - Step 4: Simplify right side
228,096.75x = 39,696,402,642.43 - Step 5: Solve for x
x = 39,696,402,642.43/228,096.75 - Step 6: Final answer
x = 174,033.18
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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.