Finding the Fourth Proportional to 408,663.87, 563,958.93 and 227,383.44
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Solution
The fourth proportional to 408,663.87, 563,958.93 and 227,383.44 is: 313,790.70
Step by Step Solution
- Step 1: Write the proportion equation
408,663.87 : 563,958.93 = 227,383.44 : x - Step 2: Convert to fraction form
408,663.87/563,958.93 = 227,383.44/x - Step 3: Cross multiply
408,663.87x = 563,958.93 × 227,383.44 - Step 4: Simplify right side
408,663.87x = 128,234,921,522.12 - Step 5: Solve for x
x = 128,234,921,522.12/408,663.87 - Step 6: Final answer
x = 313,790.70
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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.