Finding the Fourth Proportional to 113,459.08, 170,279.34 and 51,134.44
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Solution
The fourth proportional to 113,459.08, 170,279.34 and 51,134.44 is: 76,742.55
Step by Step Solution
- Step 1: Write the proportion equation
113,459.08 : 170,279.34 = 51,134.44 : x - Step 2: Convert to fraction form
113,459.08/170,279.34 = 51,134.44/x - Step 3: Cross multiply
113,459.08x = 170,279.34 × 51,134.44 - Step 4: Simplify right side
113,459.08x = 8,707,138,694.47 - Step 5: Solve for x
x = 8,707,138,694.47/113,459.08 - Step 6: Final answer
x = 76,742.55
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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.