Finding the Fourth Proportional to 145,211.09, 200,304.36 and 91,402.70
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Solution
The fourth proportional to 145,211.09, 200,304.36 and 91,402.70 is: 126,081.00
Step by Step Solution
- Step 1: Write the proportion equation
145,211.09 : 200,304.36 = 91,402.70 : x - Step 2: Convert to fraction form
145,211.09/200,304.36 = 91,402.70/x - Step 3: Cross multiply
145,211.09x = 200,304.36 × 91,402.70 - Step 4: Simplify right side
145,211.09x = 18,308,358,324.25 - Step 5: Solve for x
x = 18,308,358,324.25/145,211.09 - Step 6: Final answer
x = 126,081.00
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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.