Finding the Fourth Proportional to 186,234.21, 279,305.07 and 53,115.63
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Solution
The fourth proportional to 186,234.21, 279,305.07 and 53,115.63 is: 79,660.26
Step by Step Solution
- Step 1: Write the proportion equation
186,234.21 : 279,305.07 = 53,115.63 : x - Step 2: Convert to fraction form
186,234.21/279,305.07 = 53,115.63/x - Step 3: Cross multiply
186,234.21x = 279,305.07 × 53,115.63 - Step 4: Simplify right side
186,234.21x = 14,835,464,755.24 - Step 5: Solve for x
x = 14,835,464,755.24/186,234.21 - Step 6: Final answer
x = 79,660.26
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1.5x scale
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.