Finding the Fourth Proportional to 202,669.62, 279,685.20 and 110,789.05
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Solution
The fourth proportional to 202,669.62, 279,685.20 and 110,789.05 is: 152,889.50
Step by Step Solution
- Step 1: Write the proportion equation
202,669.62 : 279,685.20 = 110,789.05 : x - Step 2: Convert to fraction form
202,669.62/279,685.20 = 110,789.05/x - Step 3: Cross multiply
202,669.62x = 279,685.20 × 110,789.05 - Step 4: Simplify right side
202,669.62x = 30,986,057,607.06 - Step 5: Solve for x
x = 30,986,057,607.06/202,669.62 - Step 6: Final answer
x = 152,889.50
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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.