Finding the Fourth Proportional to 202,796.33, 279,853.79 and 112,149.88
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Solution
The fourth proportional to 202,796.33, 279,853.79 and 112,149.88 is: 154,763.99
Step by Step Solution
- Step 1: Write the proportion equation
202,796.33 : 279,853.79 = 112,149.88 : x - Step 2: Convert to fraction form
202,796.33/279,853.79 = 112,149.88/x - Step 3: Cross multiply
202,796.33x = 279,853.79 × 112,149.88 - Step 4: Simplify right side
202,796.33x = 31,385,569,246.42 - Step 5: Solve for x
x = 31,385,569,246.42/202,796.33 - Step 6: Final answer
x = 154,763.99
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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.