Finding the Fourth Proportional to 387,662.14, 534,895.33 and 226,486.06
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Solution
The fourth proportional to 387,662.14, 534,895.33 and 226,486.06 is: 312,504.95
Step by Step Solution
- Step 1: Write the proportion equation
387,662.14 : 534,895.33 = 226,486.06 : x - Step 2: Convert to fraction form
387,662.14/534,895.33 = 226,486.06/x - Step 3: Cross multiply
387,662.14x = 534,895.33 × 226,486.06 - Step 4: Simplify right side
387,662.14x = 121,146,335,804.10 - Step 5: Solve for x
x = 121,146,335,804.10/387,662.14 - Step 6: Final answer
x = 312,504.95
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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.