Finding the Fourth Proportional to 220,922.30, 304,858.18 and 130,273.99
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Solution
The fourth proportional to 220,922.30, 304,858.18 and 130,273.99 is: 179,769.50
Step by Step Solution
- Step 1: Write the proportion equation
220,922.30 : 304,858.18 = 130,273.99 : x - Step 2: Convert to fraction form
220,922.30/304,858.18 = 130,273.99/x - Step 3: Cross multiply
220,922.30x = 304,858.18 × 130,273.99 - Step 4: Simplify right side
220,922.30x = 39,715,090,893.44 - Step 5: Solve for x
x = 39,715,090,893.44/220,922.30 - Step 6: Final answer
x = 179,769.50
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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.