Finding the Fourth Proportional to 431,640.26, 595,666.16 and 250,460.08
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Solution
The fourth proportional to 431,640.26, 595,666.16 and 250,460.08 is: 345,636.42
Step by Step Solution
- Step 1: Write the proportion equation
431,640.26 : 595,666.16 = 250,460.08 : x - Step 2: Convert to fraction form
431,640.26/595,666.16 = 250,460.08/x - Step 3: Cross multiply
431,640.26x = 595,666.16 × 250,460.08 - Step 4: Simplify right side
431,640.26x = 149,190,594,086.89 - Step 5: Solve for x
x = 149,190,594,086.89/431,640.26 - Step 6: Final answer
x = 345,636.42
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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.