Finding the Fourth Proportional to 253,205.28, 349,192.08 and 217,383.84
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Solution
The fourth proportional to 253,205.28, 349,192.08 and 217,383.84 is: 299,791.20
Step by Step Solution
- Step 1: Write the proportion equation
253,205.28 : 349,192.08 = 217,383.84 : x - Step 2: Convert to fraction form
253,205.28/349,192.08 = 217,383.84/x - Step 3: Cross multiply
253,205.28x = 349,192.08 × 217,383.84 - Step 4: Simplify right side
253,205.28x = 75,908,715,247.99 - Step 5: Solve for x
x = 75,908,715,247.99/253,205.28 - Step 6: Final answer
x = 299,791.20
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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.