Finding the Fourth Proportional to 445,524.08, 668,409.44 and 205,711.36
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Solution
The fourth proportional to 445,524.08, 668,409.44 and 205,711.36 is: 308,623.98
Step by Step Solution
- Step 1: Write the proportion equation
445,524.08 : 668,409.44 = 205,711.36 : x - Step 2: Convert to fraction form
445,524.08/668,409.44 = 205,711.36/x - Step 3: Cross multiply
445,524.08x = 668,409.44 × 205,711.36 - Step 4: Simplify right side
445,524.08x = 137,499,414,939.24 - Step 5: Solve for x
x = 137,499,414,939.24/445,524.08 - Step 6: Final answer
x = 308,623.98
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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.