Finding the Fourth Proportional to 352,765.44, 486,815.04 and 201,862.08
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Solution
The fourth proportional to 352,765.44, 486,815.04 and 201,862.08 is: 278,568.95
Step by Step Solution
- Step 1: Write the proportion equation
352,765.44 : 486,815.04 = 201,862.08 : x - Step 2: Convert to fraction form
352,765.44/486,815.04 = 201,862.08/x - Step 3: Cross multiply
352,765.44x = 486,815.04 × 201,862.08 - Step 4: Simplify right side
352,765.44x = 98,269,496,549.68 - Step 5: Solve for x
x = 98,269,496,549.68/352,765.44 - Step 6: Final answer
x = 278,568.95
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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.