Finding the Fourth Proportional to 320,327.12, 441,990.60 and 201,041.36
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Solution
The fourth proportional to 320,327.12, 441,990.60 and 201,041.36 is: 277,398.90
Step by Step Solution
- Step 1: Write the proportion equation
320,327.12 : 441,990.60 = 201,041.36 : x - Step 2: Convert to fraction form
320,327.12/441,990.60 = 201,041.36/x - Step 3: Cross multiply
320,327.12x = 441,990.60 × 201,041.36 - Step 4: Simplify right side
320,327.12x = 88,858,391,331.22 - Step 5: Solve for x
x = 88,858,391,331.22/320,327.12 - Step 6: Final answer
x = 277,398.90
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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.