Finding the Fourth Proportional to 225,895.56, 338,872.74 and 68,139.96
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Solution
The fourth proportional to 225,895.56, 338,872.74 and 68,139.96 is: 102,218.81
Step by Step Solution
- Step 1: Write the proportion equation
225,895.56 : 338,872.74 = 68,139.96 : x - Step 2: Convert to fraction form
225,895.56/338,872.74 = 68,139.96/x - Step 3: Cross multiply
225,895.56x = 338,872.74 × 68,139.96 - Step 4: Simplify right side
225,895.56x = 23,090,774,948.69 - Step 5: Solve for x
x = 23,090,774,948.69/225,895.56 - Step 6: Final answer
x = 102,218.81
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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.