Finding the Fourth Proportional to 146,279.80, 201,864.97 and 79,211.80
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Solution
The fourth proportional to 146,279.80, 201,864.97 and 79,211.80 is: 109,311.66
Step by Step Solution
- Step 1: Write the proportion equation
146,279.80 : 201,864.97 = 79,211.80 : x - Step 2: Convert to fraction form
146,279.80/201,864.97 = 79,211.80/x - Step 3: Cross multiply
146,279.80x = 201,864.97 × 79,211.80 - Step 4: Simplify right side
146,279.80x = 15,990,087,234.59 - Step 5: Solve for x
x = 15,990,087,234.59/146,279.80 - Step 6: Final answer
x = 109,311.66
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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.