Finding the Fourth Proportional to 201,808.44, 278,204.74 and 141,191.28
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Solution
The fourth proportional to 201,808.44, 278,204.74 and 141,191.28 is: 194,640.44
Step by Step Solution
- Step 1: Write the proportion equation
201,808.44 : 278,204.74 = 141,191.28 : x - Step 2: Convert to fraction form
201,808.44/278,204.74 = 141,191.28/x - Step 3: Cross multiply
201,808.44x = 278,204.74 × 141,191.28 - Step 4: Simplify right side
201,808.44x = 39,280,083,342.67 - Step 5: Solve for x
x = 39,280,083,342.67/201,808.44 - Step 6: Final answer
x = 194,640.44
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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.