Finding the Fourth Proportional to 250,158.94, 345,222.09 and 135,440.08
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Solution
The fourth proportional to 250,158.94, 345,222.09 and 135,440.08 is: 186,908.80
Step by Step Solution
- Step 1: Write the proportion equation
250,158.94 : 345,222.09 = 135,440.08 : x - Step 2: Convert to fraction form
250,158.94/345,222.09 = 135,440.08/x - Step 3: Cross multiply
250,158.94x = 345,222.09 × 135,440.08 - Step 4: Simplify right side
250,158.94x = 46,756,907,487.37 - Step 5: Solve for x
x = 46,756,907,487.37/250,158.94 - Step 6: Final answer
x = 186,908.80
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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.