Finding the Fourth Proportional to 171,718.06, 237,059.94 and 133,391.74
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Solution
The fourth proportional to 171,718.06, 237,059.94 and 133,391.74 is: 184,149.75
Step by Step Solution
- Step 1: Write the proportion equation
171,718.06 : 237,059.94 = 133,391.74 : x - Step 2: Convert to fraction form
171,718.06/237,059.94 = 133,391.74/x - Step 3: Cross multiply
171,718.06x = 237,059.94 × 133,391.74 - Step 4: Simplify right side
171,718.06x = 31,621,837,880.90 - Step 5: Solve for x
x = 31,621,837,880.90/171,718.06 - Step 6: Final answer
x = 184,149.75
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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.