Finding the Fourth Proportional to 334,128.24, 460,910.86 and 198,031.23
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Solution
The fourth proportional to 334,128.24, 460,910.86 and 198,031.23 is: 273,172.79
Step by Step Solution
- Step 1: Write the proportion equation
334,128.24 : 460,910.86 = 198,031.23 : x - Step 2: Convert to fraction form
334,128.24/460,910.86 = 198,031.23/x - Step 3: Cross multiply
334,128.24x = 460,910.86 × 198,031.23 - Step 4: Simplify right side
334,128.24x = 91,274,744,031.08 - Step 5: Solve for x
x = 91,274,744,031.08/334,128.24 - Step 6: Final answer
x = 273,172.79
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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.