Finding the Fourth Proportional to 203,177.96, 304,815.60 and 84,783.44
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Solution
The fourth proportional to 203,177.96, 304,815.60 and 84,783.44 is: 127,195.47
Step by Step Solution
- Step 1: Write the proportion equation
203,177.96 : 304,815.60 = 84,783.44 : x - Step 2: Convert to fraction form
203,177.96/304,815.60 = 84,783.44/x - Step 3: Cross multiply
203,177.96x = 304,815.60 × 84,783.44 - Step 4: Simplify right side
203,177.96x = 25,843,315,133.66 - Step 5: Solve for x
x = 25,843,315,133.66/203,177.96 - Step 6: Final answer
x = 127,195.47
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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.