Finding the Fourth Proportional to 212,920.48, 293,832.12 and 117,430.48
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Solution
The fourth proportional to 212,920.48, 293,832.12 and 117,430.48 is: 162,055.09
Step by Step Solution
- Step 1: Write the proportion equation
212,920.48 : 293,832.12 = 117,430.48 : x - Step 2: Convert to fraction form
212,920.48/293,832.12 = 117,430.48/x - Step 3: Cross multiply
212,920.48x = 293,832.12 × 117,430.48 - Step 4: Simplify right side
212,920.48x = 34,504,846,891.02 - Step 5: Solve for x
x = 34,504,846,891.02/212,920.48 - Step 6: Final answer
x = 162,055.09
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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.