Finding the Fourth Proportional to 206,877.30, 310,315.95 and 73,907.70
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Solution
The fourth proportional to 206,877.30, 310,315.95 and 73,907.70 is: 110,861.55
Step by Step Solution
- Step 1: Write the proportion equation
206,877.30 : 310,315.95 = 73,907.70 : x - Step 2: Convert to fraction form
206,877.30/310,315.95 = 73,907.70/x - Step 3: Cross multiply
206,877.30x = 310,315.95 × 73,907.70 - Step 4: Simplify right side
206,877.30x = 22,934,738,137.82 - Step 5: Solve for x
x = 22,934,738,137.82/206,877.30 - Step 6: Final answer
x = 110,861.55
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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.