Finding the Fourth Proportional to 204,077.19, 281,614.07 and 113,430.09
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Solution
The fourth proportional to 204,077.19, 281,614.07 and 113,430.09 is: 156,526.60
Step by Step Solution
- Step 1: Write the proportion equation
204,077.19 : 281,614.07 = 113,430.09 : x - Step 2: Convert to fraction form
204,077.19/281,614.07 = 113,430.09/x - Step 3: Cross multiply
204,077.19x = 281,614.07 × 113,430.09 - Step 4: Simplify right side
204,077.19x = 31,943,508,738.22 - Step 5: Solve for x
x = 31,943,508,738.22/204,077.19 - Step 6: Final answer
x = 156,526.60
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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.