Finding the Fourth Proportional to 114,286.37, 170,734.55 and 73,976.99
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Solution
The fourth proportional to 114,286.37, 170,734.55 and 73,976.99 is: 110,515.61
Step by Step Solution
- Step 1: Write the proportion equation
114,286.37 : 170,734.55 = 73,976.99 : x - Step 2: Convert to fraction form
114,286.37/170,734.55 = 73,976.99/x - Step 3: Cross multiply
114,286.37x = 170,734.55 × 73,976.99 - Step 4: Simplify right side
114,286.37x = 12,630,426,874.45 - Step 5: Solve for x
x = 12,630,426,874.45/114,286.37 - Step 6: Final answer
x = 110,515.61
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.