Finding the Fourth Proportional to 335,861.62, 462,999.36 and 255,149.03
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Solution
The fourth proportional to 335,861.62, 462,999.36 and 255,149.03 is: 351,733.66
Step by Step Solution
- Step 1: Write the proportion equation
335,861.62 : 462,999.36 = 255,149.03 : x - Step 2: Convert to fraction form
335,861.62/462,999.36 = 255,149.03/x - Step 3: Cross multiply
335,861.62x = 462,999.36 × 255,149.03 - Step 4: Simplify right side
335,861.62x = 118,133,837,594.62 - Step 5: Solve for x
x = 118,133,837,594.62/335,861.62 - Step 6: Final answer
x = 351,733.66
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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.