Finding the Fourth Proportional to 204,910.10, 307,365.15 and 125,767.70
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Solution
The fourth proportional to 204,910.10, 307,365.15 and 125,767.70 is: 188,651.55
Step by Step Solution
- Step 1: Write the proportion equation
204,910.10 : 307,365.15 = 125,767.70 : x - Step 2: Convert to fraction form
204,910.10/307,365.15 = 125,767.70/x - Step 3: Cross multiply
204,910.10x = 307,365.15 × 125,767.70 - Step 4: Simplify right side
204,910.10x = 38,656,607,975.66 - Step 5: Solve for x
x = 38,656,607,975.66/204,910.10 - Step 6: Final answer
x = 188,651.55
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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.