Finding the Fourth Proportional to 115,708.11, 173,574.92 and 36,803.88
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Solution
The fourth proportional to 115,708.11, 173,574.92 and 36,803.88 is: 55,209.88
Step by Step Solution
- Step 1: Write the proportion equation
115,708.11 : 173,574.92 = 36,803.88 : x - Step 2: Convert to fraction form
115,708.11/173,574.92 = 36,803.88/x - Step 3: Cross multiply
115,708.11x = 173,574.92 × 36,803.88 - Step 4: Simplify right side
115,708.11x = 6,388,230,411.68 - Step 5: Solve for x
x = 6,388,230,411.68/115,708.11 - Step 6: Final answer
x = 55,209.88
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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.