Finding the Fourth Proportional to 212,645.80, 293,451.48 and 115,849.18
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Solution
The fourth proportional to 212,645.80, 293,451.48 and 115,849.18 is: 159,872.02
Step by Step Solution
- Step 1: Write the proportion equation
212,645.80 : 293,451.48 = 115,849.18 : x - Step 2: Convert to fraction form
212,645.80/293,451.48 = 115,849.18/x - Step 3: Cross multiply
212,645.80x = 293,451.48 × 115,849.18 - Step 4: Simplify right side
212,645.80x = 33,996,112,594.16 - Step 5: Solve for x
x = 33,996,112,594.16/212,645.80 - Step 6: Final answer
x = 159,872.02
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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.