Finding the Fourth Proportional to 212,729.44, 293,580.45 and 122,114.74
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Solution
The fourth proportional to 212,729.44, 293,580.45 and 122,114.74 is: 168,526.28
Step by Step Solution
- Step 1: Write the proportion equation
212,729.44 : 293,580.45 = 122,114.74 : x - Step 2: Convert to fraction form
212,729.44/293,580.45 = 122,114.74/x - Step 3: Cross multiply
212,729.44x = 293,580.45 × 122,114.74 - Step 4: Simplify right side
212,729.44x = 35,850,500,320.83 - Step 5: Solve for x
x = 35,850,500,320.83/212,729.44 - Step 6: Final answer
x = 168,526.28
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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.