Finding the Fourth Proportional to 201,649.25, 278,275.97 and 112,246.37
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Solution
The fourth proportional to 201,649.25, 278,275.97 and 112,246.37 is: 154,899.99
Step by Step Solution
- Step 1: Write the proportion equation
201,649.25 : 278,275.97 = 112,246.37 : x - Step 2: Convert to fraction form
201,649.25/278,275.97 = 112,246.37/x - Step 3: Cross multiply
201,649.25x = 278,275.97 × 112,246.37 - Step 4: Simplify right side
201,649.25x = 31,235,466,929.50 - Step 5: Solve for x
x = 31,235,466,929.50/201,649.25 - Step 6: Final answer
x = 154,899.99
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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.