Finding the Fourth Proportional to 207,029.10, 309,766.05 and 188,366.70
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Solution
The fourth proportional to 207,029.10, 309,766.05 and 188,366.70 is: 281,842.55
Step by Step Solution
- Step 1: Write the proportion equation
207,029.10 : 309,766.05 = 188,366.70 : x - Step 2: Convert to fraction form
207,029.10/309,766.05 = 188,366.70/x - Step 3: Cross multiply
207,029.10x = 309,766.05 × 188,366.70 - Step 4: Simplify right side
207,029.10x = 58,349,608,610.54 - Step 5: Solve for x
x = 58,349,608,610.54/207,029.10 - Step 6: Final answer
x = 281,842.55
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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.