Finding the Fourth Proportional to 115,461.12, 173,060.34 and 48,859.68
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Solution
The fourth proportional to 115,461.12, 173,060.34 and 48,859.68 is: 73,233.94
Step by Step Solution
- Step 1: Write the proportion equation
115,461.12 : 173,060.34 = 48,859.68 : x - Step 2: Convert to fraction form
115,461.12/173,060.34 = 48,859.68/x - Step 3: Cross multiply
115,461.12x = 173,060.34 × 48,859.68 - Step 4: Simplify right side
115,461.12x = 8,455,672,833.09 - Step 5: Solve for x
x = 8,455,672,833.09/115,461.12 - Step 6: Final answer
x = 73,233.94
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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.