Finding the Fourth Proportional to 215,399.88, 297,181.98 and 119,887.92
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Solution
The fourth proportional to 215,399.88, 297,181.98 and 119,887.92 is: 165,406.45
Step by Step Solution
- Step 1: Write the proportion equation
215,399.88 : 297,181.98 = 119,887.92 : x - Step 2: Convert to fraction form
215,399.88/297,181.98 = 119,887.92/x - Step 3: Cross multiply
215,399.88x = 297,181.98 × 119,887.92 - Step 4: Simplify right side
215,399.88x = 35,628,529,443.68 - Step 5: Solve for x
x = 35,628,529,443.68/215,399.88 - Step 6: Final answer
x = 165,406.45
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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.