Finding the Fourth Proportional to 408,400.32, 563,549.30 and 227,082.99
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Solution
The fourth proportional to 408,400.32, 563,549.30 and 227,082.99 is: 313,350.54
Step by Step Solution
- Step 1: Write the proportion equation
408,400.32 : 563,549.30 = 227,082.99 : x - Step 2: Convert to fraction form
408,400.32/563,549.30 = 227,082.99/x - Step 3: Cross multiply
408,400.32x = 563,549.30 × 227,082.99 - Step 4: Simplify right side
408,400.32x = 127,972,458,920.99 - Step 5: Solve for x
x = 127,972,458,920.99/408,400.32 - Step 6: Final answer
x = 313,350.54
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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.