Finding the Fourth Proportional to 923,186.24, 1,384,857.12 and 292,086.08
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Solution
The fourth proportional to 923,186.24, 1,384,857.12 and 292,086.08 is: 438,153.72
Step by Step Solution
- Step 1: Write the proportion equation
923,186.24 : 1,384,857.12 = 292,086.08 : x - Step 2: Convert to fraction form
923,186.24/1,384,857.12 = 292,086.08/x - Step 3: Cross multiply
923,186.24x = 1,384,857.12 × 292,086.08 - Step 4: Simplify right side
923,186.24x = 404,497,487,540.89 - Step 5: Solve for x
x = 404,497,487,540.89/923,186.24 - Step 6: Final answer
x = 438,153.72
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1.5x scale
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.