Finding the Fourth Proportional to 314,384.08, 433,850.09 and 171,144.09
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Solution
The fourth proportional to 314,384.08, 433,850.09 and 171,144.09 is: 236,178.87
Step by Step Solution
- Step 1: Write the proportion equation
314,384.08 : 433,850.09 = 171,144.09 : x - Step 2: Convert to fraction form
314,384.08/433,850.09 = 171,144.09/x - Step 3: Cross multiply
314,384.08x = 433,850.09 × 171,144.09 - Step 4: Simplify right side
314,384.08x = 74,250,876,680.22 - Step 5: Solve for x
x = 74,250,876,680.22/314,384.08 - Step 6: Final answer
x = 236,178.87
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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.