Finding the Fourth Proportional to 212,484.97, 293,231.01 and 115,689.48
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Solution
The fourth proportional to 212,484.97, 293,231.01 and 115,689.48 is: 159,652.44
Step by Step Solution
- Step 1: Write the proportion equation
212,484.97 : 293,231.01 = 115,689.48 : x - Step 2: Convert to fraction form
212,484.97/293,231.01 = 115,689.48/x - Step 3: Cross multiply
212,484.97x = 293,231.01 × 115,689.48 - Step 4: Simplify right side
212,484.97x = 33,923,743,066.77 - Step 5: Solve for x
x = 33,923,743,066.77/212,484.97 - Step 6: Final answer
x = 159,652.44
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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.