Finding the Fourth Proportional to 212,672.36, 293,474.12 and 126,637.66
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Solution
The fourth proportional to 212,672.36, 293,474.12 and 126,637.66 is: 174,751.78
Step by Step Solution
- Step 1: Write the proportion equation
212,672.36 : 293,474.12 = 126,637.66 : x - Step 2: Convert to fraction form
212,672.36/293,474.12 = 126,637.66/x - Step 3: Cross multiply
212,672.36x = 293,474.12 × 126,637.66 - Step 4: Simplify right side
212,672.36x = 37,164,874,359.99 - Step 5: Solve for x
x = 37,164,874,359.99/212,672.36 - Step 6: Final answer
x = 174,751.78
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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.