Finding the Fourth Proportional to 220,529.30, 304,283.58 and 129,852.18
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Solution
The fourth proportional to 220,529.30, 304,283.58 and 129,852.18 is: 179,168.42
Step by Step Solution
- Step 1: Write the proportion equation
220,529.30 : 304,283.58 = 129,852.18 : x - Step 2: Convert to fraction form
220,529.30/304,283.58 = 129,852.18/x - Step 3: Cross multiply
220,529.30x = 304,283.58 × 129,852.18 - Step 4: Simplify right side
220,529.30x = 39,511,886,201.20 - Step 5: Solve for x
x = 39,511,886,201.20/220,529.30 - Step 6: Final answer
x = 179,168.42
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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.