Finding the Fourth Proportional to 410,040.99, 615,066.97 and 143,809.28
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Solution
The fourth proportional to 410,040.99, 615,066.97 and 143,809.28 is: 215,715.84
Step by Step Solution
- Step 1: Write the proportion equation
410,040.99 : 615,066.97 = 143,809.28 : x - Step 2: Convert to fraction form
410,040.99/615,066.97 = 143,809.28/x - Step 3: Cross multiply
410,040.99x = 615,066.97 × 143,809.28 - Step 4: Simplify right side
410,040.99x = 88,452,338,107.48 - Step 5: Solve for x
x = 88,452,338,107.48/410,040.99 - Step 6: Final answer
x = 215,715.84
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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.