Finding the Fourth Proportional to 204,947.28, 307,525.46 and 138,247.62
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Solution
The fourth proportional to 204,947.28, 307,525.46 and 138,247.62 is: 207,441.95
Step by Step Solution
- Step 1: Write the proportion equation
204,947.28 : 307,525.46 = 138,247.62 : x - Step 2: Convert to fraction form
204,947.28/307,525.46 = 138,247.62/x - Step 3: Cross multiply
204,947.28x = 307,525.46 × 138,247.62 - Step 4: Simplify right side
204,947.28x = 42,514,662,934.41 - Step 5: Solve for x
x = 42,514,662,934.41/204,947.28 - Step 6: Final answer
x = 207,441.95
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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.