Finding the Fourth Proportional to 204,901.44, 307,278.27 and 86,581.95
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Solution
The fourth proportional to 204,901.44, 307,278.27 and 86,581.95 is: 129,841.70
Step by Step Solution
- Step 1: Write the proportion equation
204,901.44 : 307,278.27 = 86,581.95 : x - Step 2: Convert to fraction form
204,901.44/307,278.27 = 86,581.95/x - Step 3: Cross multiply
204,901.44x = 307,278.27 × 86,581.95 - Step 4: Simplify right side
204,901.44x = 26,604,751,809.23 - Step 5: Solve for x
x = 26,604,751,809.23/204,901.44 - Step 6: Final answer
x = 129,841.70
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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.