Finding the Fourth Proportional to 352,515.44, 486,419.96 and 201,583.28
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Solution
The fourth proportional to 352,515.44, 486,419.96 and 201,583.28 is: 278,155.56
Step by Step Solution
- Step 1: Write the proportion equation
352,515.44 : 486,419.96 = 201,583.28 : x - Step 2: Convert to fraction form
352,515.44/486,419.96 = 201,583.28/x - Step 3: Cross multiply
352,515.44x = 486,419.96 × 201,583.28 - Step 4: Simplify right side
352,515.44x = 98,054,127,554.25 - Step 5: Solve for x
x = 98,054,127,554.25/352,515.44 - Step 6: Final answer
x = 278,155.56
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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.