Finding the Fourth Proportional to 305,468.20, 458,202.30 and 163,750.60
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Solution
The fourth proportional to 305,468.20, 458,202.30 and 163,750.60 is: 245,625.90
Step by Step Solution
- Step 1: Write the proportion equation
305,468.20 : 458,202.30 = 163,750.60 : x - Step 2: Convert to fraction form
305,468.20/458,202.30 = 163,750.60/x - Step 3: Cross multiply
305,468.20x = 458,202.30 × 163,750.60 - Step 4: Simplify right side
305,468.20x = 75,030,901,546.38 - Step 5: Solve for x
x = 75,030,901,546.38/305,468.20 - Step 6: Final answer
x = 245,625.90
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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.