Finding the Fourth Proportional to 212,640.93, 293,486.97 and 122,058.12
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Solution
The fourth proportional to 212,640.93, 293,486.97 and 122,058.12 is: 168,464.59
Step by Step Solution
- Step 1: Write the proportion equation
212,640.93 : 293,486.97 = 122,058.12 : x - Step 2: Convert to fraction form
212,640.93/293,486.97 = 122,058.12/x - Step 3: Cross multiply
212,640.93x = 293,486.97 × 122,058.12 - Step 4: Simplify right side
212,640.93x = 35,822,467,802.70 - Step 5: Solve for x
x = 35,822,467,802.70/212,640.93 - Step 6: Final answer
x = 168,464.59
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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.