Finding the Fourth Proportional to 202,502.40, 303,724.80 and 69,388.80
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Solution
The fourth proportional to 202,502.40, 303,724.80 and 69,388.80 is: 104,073.33
Step by Step Solution
- Step 1: Write the proportion equation
202,502.40 : 303,724.80 = 69,388.80 : x - Step 2: Convert to fraction form
202,502.40/303,724.80 = 69,388.80/x - Step 3: Cross multiply
202,502.40x = 303,724.80 × 69,388.80 - Step 4: Simplify right side
202,502.40x = 21,075,099,402.24 - Step 5: Solve for x
x = 21,075,099,402.24/202,502.40 - Step 6: Final answer
x = 104,073.33
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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.