Finding the Fourth Proportional to 405,906.08, 560,178.48 and 224,625.68
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Solution
The fourth proportional to 405,906.08, 560,178.48 and 224,625.68 is: 309,998.98
Step by Step Solution
- Step 1: Write the proportion equation
405,906.08 : 560,178.48 = 224,625.68 : x - Step 2: Convert to fraction form
405,906.08/560,178.48 = 224,625.68/x - Step 3: Cross multiply
405,906.08x = 560,178.48 × 224,625.68 - Step 4: Simplify right side
405,906.08x = 125,830,471,991.37 - Step 5: Solve for x
x = 125,830,471,991.37/405,906.08 - Step 6: Final answer
x = 309,998.98
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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.