Finding the Fourth Proportional to 219,749.93, 329,188.16 and 107,101.67
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Solution
The fourth proportional to 219,749.93, 329,188.16 and 107,101.67 is: 160,439.65
Step by Step Solution
- Step 1: Write the proportion equation
219,749.93 : 329,188.16 = 107,101.67 : x - Step 2: Convert to fraction form
219,749.93/329,188.16 = 107,101.67/x - Step 3: Cross multiply
219,749.93x = 329,188.16 × 107,101.67 - Step 4: Simplify right side
219,749.93x = 35,256,601,680.23 - Step 5: Solve for x
x = 35,256,601,680.23/219,749.93 - Step 6: Final answer
x = 160,439.65
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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.