Finding the Fourth Proportional to 326,007.20, 488,427.60 and 201,202.40
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Solution
The fourth proportional to 326,007.20, 488,427.60 and 201,202.40 is: 301,443.67
Step by Step Solution
- Step 1: Write the proportion equation
326,007.20 : 488,427.60 = 201,202.40 : x - Step 2: Convert to fraction form
326,007.20/488,427.60 = 201,202.40/x - Step 3: Cross multiply
326,007.20x = 488,427.60 × 201,202.40 - Step 4: Simplify right side
326,007.20x = 98,272,805,346.24 - Step 5: Solve for x
x = 98,272,805,346.24/326,007.20 - Step 6: Final answer
x = 301,443.67
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1.5x scale
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.