Finding the Fourth Proportional to 311,755.23, 466,956.16 and 191,447.08
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Solution
The fourth proportional to 311,755.23, 466,956.16 and 191,447.08 is: 286,755.07
Step by Step Solution
- Step 1: Write the proportion equation
311,755.23 : 466,956.16 = 191,447.08 : x - Step 2: Convert to fraction form
311,755.23/466,956.16 = 191,447.08/x - Step 3: Cross multiply
311,755.23x = 466,956.16 × 191,447.08 - Step 4: Simplify right side
311,755.23x = 89,397,391,674.00 - Step 5: Solve for x
x = 89,397,391,674.00/311,755.23 - Step 6: Final answer
x = 286,755.07
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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.