Finding the Fourth Proportional to 131,511.24, 197,241.12 and 109,466.28
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Solution
The fourth proportional to 131,511.24, 197,241.12 and 109,466.28 is: 164,177.99
Step by Step Solution
- Step 1: Write the proportion equation
131,511.24 : 197,241.12 = 109,466.28 : x - Step 2: Convert to fraction form
131,511.24/197,241.12 = 109,466.28/x - Step 3: Cross multiply
131,511.24x = 197,241.12 × 109,466.28 - Step 4: Simplify right side
131,511.24x = 21,591,251,669.43 - Step 5: Solve for x
x = 21,591,251,669.43/131,511.24 - Step 6: Final answer
x = 164,177.99
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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.