Finding the Fourth Proportional to 310,338.36, 428,315.58 and 183,027.96
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Solution
The fourth proportional to 310,338.36, 428,315.58 and 183,027.96 is: 252,607.27
Step by Step Solution
- Step 1: Write the proportion equation
310,338.36 : 428,315.58 = 183,027.96 : x - Step 2: Convert to fraction form
310,338.36/428,315.58 = 183,027.96/x - Step 3: Cross multiply
310,338.36x = 428,315.58 × 183,027.96 - Step 4: Simplify right side
310,338.36x = 78,393,726,843.62 - Step 5: Solve for x
x = 78,393,726,843.62/310,338.36 - Step 6: Final answer
x = 252,607.27
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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.