Finding the Fourth Proportional to 212,896.14, 293,783.25 and 122,188.26
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Solution
The fourth proportional to 212,896.14, 293,783.25 and 122,188.26 is: 168,612.09
Step by Step Solution
- Step 1: Write the proportion equation
212,896.14 : 293,783.25 = 122,188.26 : x - Step 2: Convert to fraction form
212,896.14/293,783.25 = 122,188.26/x - Step 3: Cross multiply
212,896.14x = 293,783.25 × 122,188.26 - Step 4: Simplify right side
212,896.14x = 35,896,864,134.65 - Step 5: Solve for x
x = 35,896,864,134.65/212,896.14 - Step 6: Final answer
x = 168,612.09
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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.