Finding the Fourth Proportional to 226,649.40, 340,016.15 and 74,856.99
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Solution
The fourth proportional to 226,649.40, 340,016.15 and 74,856.99 is: 112,299.37
Step by Step Solution
- Step 1: Write the proportion equation
226,649.40 : 340,016.15 = 74,856.99 : x - Step 2: Convert to fraction form
226,649.40/340,016.15 = 74,856.99/x - Step 3: Cross multiply
226,649.40x = 340,016.15 × 74,856.99 - Step 4: Simplify right side
226,649.40x = 25,452,585,166.10 - Step 5: Solve for x
x = 25,452,585,166.10/226,649.40 - Step 6: Final answer
x = 112,299.37
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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.