Finding the Fourth Proportional to 202,816.40, 304,195.80 and 69,702.80
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Solution
The fourth proportional to 202,816.40, 304,195.80 and 69,702.80 is: 104,544.30
Step by Step Solution
- Step 1: Write the proportion equation
202,816.40 : 304,195.80 = 69,702.80 : x - Step 2: Convert to fraction form
202,816.40/304,195.80 = 69,702.80/x - Step 3: Cross multiply
202,816.40x = 304,195.80 × 69,702.80 - Step 4: Simplify right side
202,816.40x = 21,203,299,008.24 - Step 5: Solve for x
x = 21,203,299,008.24/202,816.40 - Step 6: Final answer
x = 104,544.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.