Finding the Fourth Proportional to 352,815.76, 486,895.08 and 201,961.36
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Solution
The fourth proportional to 352,815.76, 486,895.08 and 201,961.36 is: 278,712.02
Step by Step Solution
- Step 1: Write the proportion equation
352,815.76 : 486,895.08 = 201,961.36 : x - Step 2: Convert to fraction form
352,815.76/486,895.08 = 201,961.36/x - Step 3: Cross multiply
352,815.76x = 486,895.08 × 201,961.36 - Step 4: Simplify right side
352,815.76x = 98,333,992,534.11 - Step 5: Solve for x
x = 98,333,992,534.11/352,815.76 - Step 6: Final answer
x = 278,712.02
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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.