Finding the Fourth Proportional to 253,614.36, 349,988.04 and 140,434.68
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Solution
The fourth proportional to 253,614.36, 349,988.04 and 140,434.68 is: 193,799.98
Step by Step Solution
- Step 1: Write the proportion equation
253,614.36 : 349,988.04 = 140,434.68 : x - Step 2: Convert to fraction form
253,614.36/349,988.04 = 140,434.68/x - Step 3: Cross multiply
253,614.36x = 349,988.04 × 140,434.68 - Step 4: Simplify right side
253,614.36x = 49,150,458,401.23 - Step 5: Solve for x
x = 49,150,458,401.23/253,614.36 - Step 6: Final answer
x = 193,799.98
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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.