Finding the Fourth Proportional to 353,129.70, 529,694.55 and 327,209.70
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Solution
The fourth proportional to 353,129.70, 529,694.55 and 327,209.70 is: 490,814.55
Step by Step Solution
- Step 1: Write the proportion equation
353,129.70 : 529,694.55 = 327,209.70 : x - Step 2: Convert to fraction form
353,129.70/529,694.55 = 327,209.70/x - Step 3: Cross multiply
353,129.70x = 529,694.55 × 327,209.70 - Step 4: Simplify right side
353,129.70x = 173,321,194,797.14 - Step 5: Solve for x
x = 173,321,194,797.14/353,129.70 - Step 6: Final answer
x = 490,814.55
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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.