Finding the Fourth Proportional to 263,638.08, 363,818.88 and 142,777.44
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Solution
The fourth proportional to 263,638.08, 363,818.88 and 142,777.44 is: 197,031.96
Step by Step Solution
- Step 1: Write the proportion equation
263,638.08 : 363,818.88 = 142,777.44 : x - Step 2: Convert to fraction form
263,638.08/363,818.88 = 142,777.44/x - Step 3: Cross multiply
263,638.08x = 363,818.88 × 142,777.44 - Step 4: Simplify right side
263,638.08x = 51,945,128,310.07 - Step 5: Solve for x
x = 51,945,128,310.07/263,638.08 - Step 6: Final answer
x = 197,031.96
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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.