Finding the Fourth Proportional to 202,664.91, 279,649.00 and 115,452.31
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Solution
The fourth proportional to 202,664.91, 279,649.00 and 115,452.31 is: 159,307.90
Step by Step Solution
- Step 1: Write the proportion equation
202,664.91 : 279,649.00 = 115,452.31 : x - Step 2: Convert to fraction form
202,664.91/279,649.00 = 115,452.31/x - Step 3: Cross multiply
202,664.91x = 279,649.00 × 115,452.31 - Step 4: Simplify right side
202,664.91x = 32,286,122,309.71 - Step 5: Solve for x
x = 32,286,122,309.71/202,664.91 - Step 6: Final answer
x = 159,307.90
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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.