Finding the Fourth Proportional to 115,325.15, 173,011.08 and 48,765.17
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Solution
The fourth proportional to 115,325.15, 173,011.08 and 48,765.17 is: 73,157.63
Step by Step Solution
- Step 1: Write the proportion equation
115,325.15 : 173,011.08 = 48,765.17 : x - Step 2: Convert to fraction form
115,325.15/173,011.08 = 48,765.17/x - Step 3: Cross multiply
115,325.15x = 173,011.08 × 48,765.17 - Step 4: Simplify right side
115,325.15x = 8,436,914,484.26 - Step 5: Solve for x
x = 8,436,914,484.26/115,325.15 - Step 6: Final answer
x = 73,157.63
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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.