Finding the Fourth Proportional to 438,350.40, 657,331.20 and 201,765.60
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Solution
The fourth proportional to 438,350.40, 657,331.20 and 201,765.60 is: 302,558.92
Step by Step Solution
- Step 1: Write the proportion equation
438,350.40 : 657,331.20 = 201,765.60 : x - Step 2: Convert to fraction form
438,350.40/657,331.20 = 201,765.60/x - Step 3: Cross multiply
438,350.40x = 657,331.20 × 201,765.60 - Step 4: Simplify right side
438,350.40x = 132,626,823,966.72 - Step 5: Solve for x
x = 132,626,823,966.72/438,350.40 - Step 6: Final answer
x = 302,558.92
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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.