Finding the Fourth Proportional to 201,586.70, 278,202.66 and 133,485.14
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Solution
The fourth proportional to 201,586.70, 278,202.66 and 133,485.14 is: 184,218.11
Step by Step Solution
- Step 1: Write the proportion equation
201,586.70 : 278,202.66 = 133,485.14 : x - Step 2: Convert to fraction form
201,586.70/278,202.66 = 133,485.14/x - Step 3: Cross multiply
201,586.70x = 278,202.66 × 133,485.14 - Step 4: Simplify right side
201,586.70x = 37,135,921,018.47 - Step 5: Solve for x
x = 37,135,921,018.47/201,586.70 - Step 6: Final answer
x = 184,218.11
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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.