Finding the Fourth Proportional to 88,157.92, 132,245.28 and 28,994.08
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Solution
The fourth proportional to 88,157.92, 132,245.28 and 28,994.08 is: 43,493.88
Step by Step Solution
- Step 1: Write the proportion equation
88,157.92 : 132,245.28 = 28,994.08 : x - Step 2: Convert to fraction form
88,157.92/132,245.28 = 28,994.08/x - Step 3: Cross multiply
88,157.92x = 132,245.28 × 28,994.08 - Step 4: Simplify right side
88,157.92x = 3,834,330,227.94 - Step 5: Solve for x
x = 3,834,330,227.94/88,157.92 - Step 6: Final answer
x = 43,493.88
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Double scale
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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.