Finding the Fourth Proportional to 279,696.70, 419,293.14 and 102,079.09
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Solution
The fourth proportional to 279,696.70, 419,293.14 and 102,079.09 is: 153,026.70
Step by Step Solution
- Step 1: Write the proportion equation
279,696.70 : 419,293.14 = 102,079.09 : x - Step 2: Convert to fraction form
279,696.70/419,293.14 = 102,079.09/x - Step 3: Cross multiply
279,696.70x = 419,293.14 × 102,079.09 - Step 4: Simplify right side
279,696.70x = 42,801,062,174.44 - Step 5: Solve for x
x = 42,801,062,174.44/279,696.70 - Step 6: Final answer
x = 153,026.70
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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.