Finding the Fourth Proportional to 205,718.10, 308,577.15 and 202,765.65
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Solution
The fourth proportional to 205,718.10, 308,577.15 and 202,765.65 is: 304,148.48
Step by Step Solution
- Step 1: Write the proportion equation
205,718.10 : 308,577.15 = 202,765.65 : x - Step 2: Convert to fraction form
205,718.10/308,577.15 = 202,765.65/x - Step 3: Cross multiply
205,718.10x = 308,577.15 × 202,765.65 - Step 4: Simplify right side
205,718.10x = 62,568,846,394.90 - Step 5: Solve for x
x = 62,568,846,394.90/205,718.10 - Step 6: Final answer
x = 304,148.48
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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.