Finding the Fourth Proportional to 353,107.20, 529,660.80 and 327,187.20
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Solution
The fourth proportional to 353,107.20, 529,660.80 and 327,187.20 is: 490,780.80
Step by Step Solution
- Step 1: Write the proportion equation
353,107.20 : 529,660.80 = 327,187.20 : x - Step 2: Convert to fraction form
353,107.20/529,660.80 = 327,187.20/x - Step 3: Cross multiply
353,107.20x = 529,660.80 × 327,187.20 - Step 4: Simplify right side
353,107.20x = 173,298,234,101.76 - Step 5: Solve for x
x = 173,298,234,101.76/353,107.20 - Step 6: Final answer
x = 490,780.80
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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.