Finding the Fourth Proportional to 201,821.08, 302,731.66 and 83,362.20
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Solution
The fourth proportional to 201,821.08, 302,731.66 and 83,362.20 is: 125,043.32
Step by Step Solution
- Step 1: Write the proportion equation
201,821.08 : 302,731.66 = 83,362.20 : x - Step 2: Convert to fraction form
201,821.08/302,731.66 = 83,362.20/x - Step 3: Cross multiply
201,821.08x = 302,731.66 × 83,362.20 - Step 4: Simplify right side
201,821.08x = 25,236,377,187.25 - Step 5: Solve for x
x = 25,236,377,187.25/201,821.08 - Step 6: Final answer
x = 125,043.32
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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.