Finding the Fourth Proportional to 193,279.24, 289,639.05 and 133,246.09
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Solution
The fourth proportional to 193,279.24, 289,639.05 and 133,246.09 is: 199,676.23
Step by Step Solution
- Step 1: Write the proportion equation
193,279.24 : 289,639.05 = 133,246.09 : x - Step 2: Convert to fraction form
193,279.24/289,639.05 = 133,246.09/x - Step 3: Cross multiply
193,279.24x = 289,639.05 × 133,246.09 - Step 4: Simplify right side
193,279.24x = 38,593,269,475.62 - Step 5: Solve for x
x = 38,593,269,475.62/193,279.24 - Step 6: Final answer
x = 199,676.23
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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.