Finding the Fourth Proportional to 212,047.78, 292,626.58 and 116,564.26
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Solution
The fourth proportional to 212,047.78, 292,626.58 and 116,564.26 is: 160,859.03
Step by Step Solution
- Step 1: Write the proportion equation
212,047.78 : 292,626.58 = 116,564.26 : x - Step 2: Convert to fraction form
212,047.78/292,626.58 = 116,564.26/x - Step 3: Cross multiply
212,047.78x = 292,626.58 × 116,564.26 - Step 4: Simplify right side
212,047.78x = 34,109,800,754.03 - Step 5: Solve for x
x = 34,109,800,754.03/212,047.78 - Step 6: Final answer
x = 160,859.03
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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.