Finding the Fourth Proportional to 212,344.29, 293,027.78 and 116,842.05
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Solution
The fourth proportional to 212,344.29, 293,027.78 and 116,842.05 is: 161,237.99
Step by Step Solution
- Step 1: Write the proportion equation
212,344.29 : 293,027.78 = 116,842.05 : x - Step 2: Convert to fraction form
212,344.29/293,027.78 = 116,842.05/x - Step 3: Cross multiply
212,344.29x = 293,027.78 × 116,842.05 - Step 4: Simplify right side
212,344.29x = 34,237,965,937.94 - Step 5: Solve for x
x = 34,237,965,937.94/212,344.29 - Step 6: Final answer
x = 161,237.99
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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.