Finding the Fourth Proportional to 202,961.80, 304,442.70 and 109,649.80
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Solution
The fourth proportional to 202,961.80, 304,442.70 and 109,649.80 is: 164,474.70
Step by Step Solution
- Step 1: Write the proportion equation
202,961.80 : 304,442.70 = 109,649.80 : x - Step 2: Convert to fraction form
202,961.80/304,442.70 = 109,649.80/x - Step 3: Cross multiply
202,961.80x = 304,442.70 × 109,649.80 - Step 4: Simplify right side
202,961.80x = 33,382,081,166.46 - Step 5: Solve for x
x = 33,382,081,166.46/202,961.80 - Step 6: Final answer
x = 164,474.70
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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.