Finding the Fourth Proportional to 261,026.68, 360,390.18 and 200,489.08
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Solution
The fourth proportional to 261,026.68, 360,390.18 and 200,489.08 is: 276,808.09
Step by Step Solution
- Step 1: Write the proportion equation
261,026.68 : 360,390.18 = 200,489.08 : x - Step 2: Convert to fraction form
261,026.68/360,390.18 = 200,489.08/x - Step 3: Cross multiply
261,026.68x = 360,390.18 × 200,489.08 - Step 4: Simplify right side
261,026.68x = 72,254,295,629.23 - Step 5: Solve for x
x = 72,254,295,629.23/261,026.68 - Step 6: Final answer
x = 276,808.09
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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.