Finding the Fourth Proportional to 355,593.29, 490,719.20 and 202,624.79
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Solution
The fourth proportional to 355,593.29, 490,719.20 and 202,624.79 is: 279,622.47
Step by Step Solution
- Step 1: Write the proportion equation
355,593.29 : 490,719.20 = 202,624.79 : x - Step 2: Convert to fraction form
355,593.29/490,719.20 = 202,624.79/x - Step 3: Cross multiply
355,593.29x = 490,719.20 × 202,624.79 - Step 4: Simplify right side
355,593.29x = 99,431,871,382.25 - Step 5: Solve for x
x = 99,431,871,382.25/355,593.29 - Step 6: Final answer
x = 279,622.47
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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.