Finding the Fourth Proportional to 386,446.11, 533,326.59 and 214,381.05
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Solution
The fourth proportional to 386,446.11, 533,326.59 and 214,381.05 is: 295,863.02
Step by Step Solution
- Step 1: Write the proportion equation
386,446.11 : 533,326.59 = 214,381.05 : x - Step 2: Convert to fraction form
386,446.11/533,326.59 = 214,381.05/x - Step 3: Cross multiply
386,446.11x = 533,326.59 × 214,381.05 - Step 4: Simplify right side
386,446.11x = 114,335,114,357.12 - Step 5: Solve for x
x = 114,335,114,357.12/386,446.11 - Step 6: Final answer
x = 295,863.02
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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.