Finding the Fourth Proportional to 135,181.17, 202,444.92 and 131,638.23
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Solution
The fourth proportional to 135,181.17, 202,444.92 and 131,638.23 is: 197,139.08
Step by Step Solution
- Step 1: Write the proportion equation
135,181.17 : 202,444.92 = 131,638.23 : x - Step 2: Convert to fraction form
135,181.17/202,444.92 = 131,638.23/x - Step 3: Cross multiply
135,181.17x = 202,444.92 × 131,638.23 - Step 4: Simplify right side
135,181.17x = 26,649,490,941.29 - Step 5: Solve for x
x = 26,649,490,941.29/135,181.17 - Step 6: Final answer
x = 197,139.08
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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.