Finding the Fourth Proportional to 75,512.40, 113,268.20 and 19,352.40
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Solution
The fourth proportional to 75,512.40, 113,268.20 and 19,352.40 is: 29,028.50
Step by Step Solution
- Step 1: Write the proportion equation
75,512.40 : 113,268.20 = 19,352.40 : x - Step 2: Convert to fraction form
75,512.40/113,268.20 = 19,352.40/x - Step 3: Cross multiply
75,512.40x = 113,268.20 × 19,352.40 - Step 4: Simplify right side
75,512.40x = 2,192,011,513.68 - Step 5: Solve for x
x = 2,192,011,513.68/75,512.40 - Step 6: Final answer
x = 29,028.50
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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.