Finding the Fourth Proportional to 403,609.80, 605,414.70 and 166,873.80
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Solution
The fourth proportional to 403,609.80, 605,414.70 and 166,873.80 is: 250,310.70
Step by Step Solution
- Step 1: Write the proportion equation
403,609.80 : 605,414.70 = 166,873.80 : x - Step 2: Convert to fraction form
403,609.80/605,414.70 = 166,873.80/x - Step 3: Cross multiply
403,609.80x = 605,414.70 × 166,873.80 - Step 4: Simplify right side
403,609.80x = 101,027,851,564.86 - Step 5: Solve for x
x = 101,027,851,564.86/403,609.80 - Step 6: Final answer
x = 250,310.70
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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.