Finding the Fourth Proportional to 201,620.08, 278,233.53 and 110,974.09
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Solution
The fourth proportional to 201,620.08, 278,233.53 and 110,974.09 is: 153,143.04
Step by Step Solution
- Step 1: Write the proportion equation
201,620.08 : 278,233.53 = 110,974.09 : x - Step 2: Convert to fraction form
201,620.08/278,233.53 = 110,974.09/x - Step 3: Cross multiply
201,620.08x = 278,233.53 × 110,974.09 - Step 4: Simplify right side
201,620.08x = 30,876,712,799.24 - Step 5: Solve for x
x = 30,876,712,799.24/201,620.08 - Step 6: Final answer
x = 153,143.04
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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.