Finding the Fourth Proportional to 212,685.68, 293,519.34 and 117,192.36
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Solution
The fourth proportional to 212,685.68, 293,519.34 and 117,192.36 is: 161,732.68
Step by Step Solution
- Step 1: Write the proportion equation
212,685.68 : 293,519.34 = 117,192.36 : x - Step 2: Convert to fraction form
212,685.68/293,519.34 = 117,192.36/x - Step 3: Cross multiply
212,685.68x = 293,519.34 × 117,192.36 - Step 4: Simplify right side
212,685.68x = 34,398,224,160.24 - Step 5: Solve for x
x = 34,398,224,160.24/212,685.68 - Step 6: Final answer
x = 161,732.68
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1.5x scale
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.