Finding the Fourth Proportional to 358,734.80, 538,102.20 and 201,270.80
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Solution
The fourth proportional to 358,734.80, 538,102.20 and 201,270.80 is: 301,906.20
Step by Step Solution
- Step 1: Write the proportion equation
358,734.80 : 538,102.20 = 201,270.80 : x - Step 2: Convert to fraction form
358,734.80/538,102.20 = 201,270.80/x - Step 3: Cross multiply
358,734.80x = 538,102.20 × 201,270.80 - Step 4: Simplify right side
358,734.80x = 108,304,260,275.76 - Step 5: Solve for x
x = 108,304,260,275.76/358,734.80 - Step 6: Final answer
x = 301,906.20
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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.