Finding the Fourth Proportional to 201,228.12, 277,678.56 and 116,350.68
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Solution
The fourth proportional to 201,228.12, 277,678.56 and 116,350.68 is: 160,554.55
Step by Step Solution
- Step 1: Write the proportion equation
201,228.12 : 277,678.56 = 116,350.68 : x - Step 2: Convert to fraction form
201,228.12/277,678.56 = 116,350.68/x - Step 3: Cross multiply
201,228.12x = 277,678.56 × 116,350.68 - Step 4: Simplify right side
201,228.12x = 32,308,089,277.42 - Step 5: Solve for x
x = 32,308,089,277.42/201,228.12 - Step 6: Final answer
x = 160,554.55
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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.