Finding the Fourth Proportional to 448,322.00, 618,334.36 and 287,192.03
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Solution
The fourth proportional to 448,322.00, 618,334.36 and 287,192.03 is: 396,100.79
Step by Step Solution
- Step 1: Write the proportion equation
448,322.00 : 618,334.36 = 287,192.03 : x - Step 2: Convert to fraction form
448,322.00/618,334.36 = 287,192.03/x - Step 3: Cross multiply
448,322.00x = 618,334.36 × 287,192.03 - Step 4: Simplify right side
448,322.00x = 177,580,696,257.50 - Step 5: Solve for x
x = 177,580,696,257.50/448,322.00 - Step 6: Final answer
x = 396,100.79
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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.