Finding the Fourth Proportional to 229,639.83, 344,138.99 and 111,279.75
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Solution
The fourth proportional to 229,639.83, 344,138.99 and 111,279.75 is: 166,764.19
Step by Step Solution
- Step 1: Write the proportion equation
229,639.83 : 344,138.99 = 111,279.75 : x - Step 2: Convert to fraction form
229,639.83/344,138.99 = 111,279.75/x - Step 3: Cross multiply
229,639.83x = 344,138.99 × 111,279.75 - Step 4: Simplify right side
229,639.83x = 38,295,700,216.05 - Step 5: Solve for x
x = 38,295,700,216.05/229,639.83 - Step 6: Final answer
x = 166,764.19
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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.