Finding the Fourth Proportional to 83,508.54, 125,261.02 and 20,328.99
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Solution
The fourth proportional to 83,508.54, 125,261.02 and 20,328.99 is: 30,493.05
Step by Step Solution
- Step 1: Write the proportion equation
83,508.54 : 125,261.02 = 20,328.99 : x - Step 2: Convert to fraction form
83,508.54/125,261.02 = 20,328.99/x - Step 3: Cross multiply
83,508.54x = 125,261.02 × 20,328.99 - Step 4: Simplify right side
83,508.54x = 2,546,430,022.97 - Step 5: Solve for x
x = 2,546,430,022.97/83,508.54 - Step 6: Final answer
x = 30,493.05
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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.