Finding the Fourth Proportional to 145,974.92, 201,499.98 and 113,645.48
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Solution
The fourth proportional to 145,974.92, 201,499.98 and 113,645.48 is: 156,873.26
Step by Step Solution
- Step 1: Write the proportion equation
145,974.92 : 201,499.98 = 113,645.48 : x - Step 2: Convert to fraction form
145,974.92/201,499.98 = 113,645.48/x - Step 3: Cross multiply
145,974.92x = 201,499.98 × 113,645.48 - Step 4: Simplify right side
145,974.92x = 22,899,561,947.09 - Step 5: Solve for x
x = 22,899,561,947.09/145,974.92 - Step 6: Final answer
x = 156,873.26
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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.