Finding the Fourth Proportional to 446,728.64, 616,487.52 and 245,537.60
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Solution
The fourth proportional to 446,728.64, 616,487.52 and 245,537.60 is: 338,842.99
Step by Step Solution
- Step 1: Write the proportion equation
446,728.64 : 616,487.52 = 245,537.60 : x - Step 2: Convert to fraction form
446,728.64/616,487.52 = 245,537.60/x - Step 3: Cross multiply
446,728.64x = 616,487.52 × 245,537.60 - Step 4: Simplify right side
446,728.64x = 151,370,866,090.75 - Step 5: Solve for x
x = 151,370,866,090.75/446,728.64 - Step 6: Final answer
x = 338,842.99
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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.