Finding the Fourth Proportional to 153,715.53, 230,580.36 and 47,091.84
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Solution
The fourth proportional to 153,715.53, 230,580.36 and 47,091.84 is: 70,639.92
Step by Step Solution
- Step 1: Write the proportion equation
153,715.53 : 230,580.36 = 47,091.84 : x - Step 2: Convert to fraction form
153,715.53/230,580.36 = 47,091.84/x - Step 3: Cross multiply
153,715.53x = 230,580.36 × 47,091.84 - Step 4: Simplify right side
153,715.53x = 10,858,453,420.26 - Step 5: Solve for x
x = 10,858,453,420.26/153,715.53 - Step 6: Final answer
x = 70,639.92
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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.