Finding the Fourth Proportional to 212,645.13, 293,446.83 and 115,850.14
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Solution
The fourth proportional to 212,645.13, 293,446.83 and 115,850.14 is: 159,871.31
Step by Step Solution
- Step 1: Write the proportion equation
212,645.13 : 293,446.83 = 115,850.14 : x - Step 2: Convert to fraction form
212,645.13/293,446.83 = 115,850.14/x - Step 3: Cross multiply
212,645.13x = 293,446.83 × 115,850.14 - Step 4: Simplify right side
212,645.13x = 33,995,854,870.82 - Step 5: Solve for x
x = 33,995,854,870.82/212,645.13 - Step 6: Final answer
x = 159,871.31
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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.