Finding the Fourth Proportional to 201,529.26, 278,148.87 and 133,426.08
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Solution
The fourth proportional to 201,529.26, 278,148.87 and 133,426.08 is: 184,153.47
Step by Step Solution
- Step 1: Write the proportion equation
201,529.26 : 278,148.87 = 133,426.08 : x - Step 2: Convert to fraction form
201,529.26/278,148.87 = 133,426.08/x - Step 3: Cross multiply
201,529.26x = 278,148.87 × 133,426.08 - Step 4: Simplify right side
201,529.26x = 37,112,313,380.53 - Step 5: Solve for x
x = 37,112,313,380.53/201,529.26 - Step 6: Final answer
x = 184,153.47
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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.