Finding the Fourth Proportional to 205,583.81, 283,793.09 and 125,037.20
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Solution
The fourth proportional to 205,583.81, 283,793.09 and 125,037.20 is: 172,604.52
Step by Step Solution
- Step 1: Write the proportion equation
205,583.81 : 283,793.09 = 125,037.20 : x - Step 2: Convert to fraction form
205,583.81/283,793.09 = 125,037.20/x - Step 3: Cross multiply
205,583.81x = 283,793.09 × 125,037.20 - Step 4: Simplify right side
205,583.81x = 35,484,693,437.24 - Step 5: Solve for x
x = 35,484,693,437.24/205,583.81 - Step 6: Final answer
x = 172,604.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.