Finding the Fourth Proportional to 202,727.26, 279,739.20 and 112,070.98
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Solution
The fourth proportional to 202,727.26, 279,739.20 and 112,070.98 is: 154,644.45
Step by Step Solution
- Step 1: Write the proportion equation
202,727.26 : 279,739.20 = 112,070.98 : x - Step 2: Convert to fraction form
202,727.26/279,739.20 = 112,070.98/x - Step 3: Cross multiply
202,727.26x = 279,739.20 × 112,070.98 - Step 4: Simplify right side
202,727.26x = 31,350,646,288.42 - Step 5: Solve for x
x = 31,350,646,288.42/202,727.26 - Step 6: Final answer
x = 154,644.45
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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.