Finding the Fourth Proportional to 212,771.90, 293,603.58 and 122,106.17
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Solution
The fourth proportional to 212,771.90, 293,603.58 and 122,106.17 is: 168,494.09
Step by Step Solution
- Step 1: Write the proportion equation
212,771.90 : 293,603.58 = 122,106.17 : x - Step 2: Convert to fraction form
212,771.90/293,603.58 = 122,106.17/x - Step 3: Cross multiply
212,771.90x = 293,603.58 × 122,106.17 - Step 4: Simplify right side
212,771.90x = 35,850,807,184.07 - Step 5: Solve for x
x = 35,850,807,184.07/212,771.90 - Step 6: Final answer
x = 168,494.09
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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.