Finding the Fourth Proportional to 205,324.70, 283,347.51 and 115,900.70
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Solution
The fourth proportional to 205,324.70, 283,347.51 and 115,900.70 is: 159,942.64
Step by Step Solution
- Step 1: Write the proportion equation
205,324.70 : 283,347.51 = 115,900.70 : x - Step 2: Convert to fraction form
205,324.70/283,347.51 = 115,900.70/x - Step 3: Cross multiply
205,324.70x = 283,347.51 × 115,900.70 - Step 4: Simplify right side
205,324.70x = 32,840,174,752.26 - Step 5: Solve for x
x = 32,840,174,752.26/205,324.70 - Step 6: Final answer
x = 159,942.64
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1.5x scale
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.