Finding the Fourth Proportional to 202,009.72, 303,103.84 and 105,923.99
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Solution
The fourth proportional to 202,009.72, 303,103.84 and 105,923.99 is: 158,932.79
Step by Step Solution
- Step 1: Write the proportion equation
202,009.72 : 303,103.84 = 105,923.99 : x - Step 2: Convert to fraction form
202,009.72/303,103.84 = 105,923.99/x - Step 3: Cross multiply
202,009.72x = 303,103.84 × 105,923.99 - Step 4: Simplify right side
202,009.72x = 32,105,968,117.12 - Step 5: Solve for x
x = 32,105,968,117.12/202,009.72 - Step 6: Final answer
x = 158,932.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.