Finding the Fourth Proportional to 206,907.44, 310,385.45 and 73,806.62
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Solution
The fourth proportional to 206,907.44, 310,385.45 and 73,806.62 is: 110,718.59
Step by Step Solution
- Step 1: Write the proportion equation
206,907.44 : 310,385.45 = 73,806.62 : x - Step 2: Convert to fraction form
206,907.44/310,385.45 = 73,806.62/x - Step 3: Cross multiply
206,907.44x = 310,385.45 × 73,806.62 - Step 4: Simplify right side
206,907.44x = 22,908,499,594.27 - Step 5: Solve for x
x = 22,908,499,594.27/206,907.44 - Step 6: Final answer
x = 110,718.59
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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.