Finding the Fourth Proportional to 335,929.64, 503,912.82 and 136,220.36
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Solution
The fourth proportional to 335,929.64, 503,912.82 and 136,220.36 is: 204,337.99
Step by Step Solution
- Step 1: Write the proportion equation
335,929.64 : 503,912.82 = 136,220.36 : x - Step 2: Convert to fraction form
335,929.64/503,912.82 = 136,220.36/x - Step 3: Cross multiply
335,929.64x = 503,912.82 × 136,220.36 - Step 4: Simplify right side
335,929.64x = 68,643,185,749.02 - Step 5: Solve for x
x = 68,643,185,749.02/335,929.64 - Step 6: Final answer
x = 204,337.99
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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.