Finding the Fourth Proportional to 438,450.40, 657,481.20 and 201,671.20
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Solution
The fourth proportional to 438,450.40, 657,481.20 and 201,671.20 is: 302,417.38
Step by Step Solution
- Step 1: Write the proportion equation
438,450.40 : 657,481.20 = 201,671.20 : x - Step 2: Convert to fraction form
438,450.40/657,481.20 = 201,671.20/x - Step 3: Cross multiply
438,450.40x = 657,481.20 × 201,671.20 - Step 4: Simplify right side
438,450.40x = 132,595,022,581.44 - Step 5: Solve for x
x = 132,595,022,581.44/438,450.40 - Step 6: Final answer
x = 302,417.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.