Finding the Fourth Proportional to 448,313.64, 618,668.79 and 244,364.55
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Solution
The fourth proportional to 448,313.64, 618,668.79 and 244,364.55 is: 337,220.88
Step by Step Solution
- Step 1: Write the proportion equation
448,313.64 : 618,668.79 = 244,364.55 : x - Step 2: Convert to fraction form
448,313.64/618,668.79 = 244,364.55/x - Step 3: Cross multiply
448,313.64x = 618,668.79 × 244,364.55 - Step 4: Simplify right side
448,313.64x = 151,180,717,231.02 - Step 5: Solve for x
x = 151,180,717,231.02/448,313.64 - Step 6: Final answer
x = 337,220.88
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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.