Finding the Fourth Proportional to 225,517.10, 338,314.73 and 75,771.99
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Solution
The fourth proportional to 225,517.10, 338,314.73 and 75,771.99 is: 113,671.12
Step by Step Solution
- Step 1: Write the proportion equation
225,517.10 : 338,314.73 = 75,771.99 : x - Step 2: Convert to fraction form
225,517.10/338,314.73 = 75,771.99/x - Step 3: Cross multiply
225,517.10x = 338,314.73 × 75,771.99 - Step 4: Simplify right side
225,517.10x = 25,634,779,959.55 - Step 5: Solve for x
x = 25,634,779,959.55/225,517.10 - Step 6: Final answer
x = 113,671.12
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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.