Finding the Fourth Proportional to 320,138.13, 441,815.83 and 182,322.92
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Solution
The fourth proportional to 320,138.13, 441,815.83 and 182,322.92 is: 251,619.99
Step by Step Solution
- Step 1: Write the proportion equation
320,138.13 : 441,815.83 = 182,322.92 : x - Step 2: Convert to fraction form
320,138.13/441,815.83 = 182,322.92/x - Step 3: Cross multiply
320,138.13x = 441,815.83 × 182,322.92 - Step 4: Simplify right side
320,138.13x = 80,553,152,227.82 - Step 5: Solve for x
x = 80,553,152,227.82/320,138.13 - Step 6: Final answer
x = 251,619.99
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1.5x scale
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.