Finding the Fourth Proportional to 147,290.77, 203,262.69 and 83,629.99
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Solution
The fourth proportional to 147,290.77, 203,262.69 and 83,629.99 is: 115,410.20
Step by Step Solution
- Step 1: Write the proportion equation
147,290.77 : 203,262.69 = 83,629.99 : x - Step 2: Convert to fraction form
147,290.77/203,262.69 = 83,629.99/x - Step 3: Cross multiply
147,290.77x = 203,262.69 × 83,629.99 - Step 4: Simplify right side
147,290.77x = 16,998,856,732.07 - Step 5: Solve for x
x = 16,998,856,732.07/147,290.77 - Step 6: Final answer
x = 115,410.20
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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.