Finding the Fourth Proportional to 192,118.56, 288,279.36 and 136,319.28
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Solution
The fourth proportional to 192,118.56, 288,279.36 and 136,319.28 is: 204,550.95
Step by Step Solution
- Step 1: Write the proportion equation
192,118.56 : 288,279.36 = 136,319.28 : x - Step 2: Convert to fraction form
192,118.56/288,279.36 = 136,319.28/x - Step 3: Cross multiply
192,118.56x = 288,279.36 × 136,319.28 - Step 4: Simplify right side
192,118.56x = 39,298,034,794.06 - Step 5: Solve for x
x = 39,298,034,794.06/192,118.56 - Step 6: Final answer
x = 204,550.95
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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.