Finding the Fourth Proportional to 354,232.20, 488,832.66 and 193,081.08
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Solution
The fourth proportional to 354,232.20, 488,832.66 and 193,081.08 is: 266,447.65
Step by Step Solution
- Step 1: Write the proportion equation
354,232.20 : 488,832.66 = 193,081.08 : x - Step 2: Convert to fraction form
354,232.20/488,832.66 = 193,081.08/x - Step 3: Cross multiply
354,232.20x = 488,832.66 × 193,081.08 - Step 4: Simplify right side
354,232.20x = 94,384,337,932.07 - Step 5: Solve for x
x = 94,384,337,932.07/354,232.20 - Step 6: Final answer
x = 266,447.65
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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.