Finding the Fourth Proportional to 871,136.24, 1,306,427.76 and 280,022
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Solution
The fourth proportional to 871,136.24, 1,306,427.76 and 280,022 is: 419,944.09
Step by Step Solution
- Step 1: Write the proportion equation
871,136.24 : 1,306,427.76 = 280,022 : x - Step 2: Convert to fraction form
871,136.24/1,306,427.76 = 280,022/x - Step 3: Cross multiply
871,136.24x = 1,306,427.76 × 280,022 - Step 4: Simplify right side
871,136.24x = 365,828,514,210.72 - Step 5: Solve for x
x = 365,828,514,210.72/871,136.24 - Step 6: Final answer
x = 419,944.09
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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.