Finding the Fourth Proportional to 202,865.65, 304,326.16 and 84,509.31
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Solution
The fourth proportional to 202,865.65, 304,326.16 and 84,509.31 is: 126,775.50
Step by Step Solution
- Step 1: Write the proportion equation
202,865.65 : 304,326.16 = 84,509.31 : x - Step 2: Convert to fraction form
202,865.65/304,326.16 = 84,509.31/x - Step 3: Cross multiply
202,865.65x = 304,326.16 × 84,509.31 - Step 4: Simplify right side
202,865.65x = 25,718,393,796.55 - Step 5: Solve for x
x = 25,718,393,796.55/202,865.65 - Step 6: Final answer
x = 126,775.50
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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.