Finding the Fourth Proportional to 202,658.19, 279,669.41 and 110,777.60
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Solution
The fourth proportional to 202,658.19, 279,669.41 and 110,777.60 is: 152,873.68
Step by Step Solution
- Step 1: Write the proportion equation
202,658.19 : 279,669.41 = 110,777.60 : x - Step 2: Convert to fraction form
202,658.19/279,669.41 = 110,777.60/x - Step 3: Cross multiply
202,658.19x = 279,669.41 × 110,777.60 - Step 4: Simplify right side
202,658.19x = 30,981,104,080.98 - Step 5: Solve for x
x = 30,981,104,080.98/202,658.19 - Step 6: Final answer
x = 152,873.68
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1.5x scale
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.