Finding the Fourth Proportional to 163,793.51, 245,691.65 and 45,474.08
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Solution
The fourth proportional to 163,793.51, 245,691.65 and 45,474.08 is: 68,211.50
Step by Step Solution
- Step 1: Write the proportion equation
163,793.51 : 245,691.65 = 45,474.08 : x - Step 2: Convert to fraction form
163,793.51/245,691.65 = 45,474.08/x - Step 3: Cross multiply
163,793.51x = 245,691.65 × 45,474.08 - Step 4: Simplify right side
163,793.51x = 11,172,601,758.88 - Step 5: Solve for x
x = 11,172,601,758.88/163,793.51 - Step 6: Final answer
x = 68,211.50
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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.