Finding the Fourth Proportional to 145,891.07, 201,325.66 and 81,362.26
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Solution
The fourth proportional to 145,891.07, 201,325.66 and 81,362.26 is: 112,277.68
Step by Step Solution
- Step 1: Write the proportion equation
145,891.07 : 201,325.66 = 81,362.26 : x - Step 2: Convert to fraction form
145,891.07/201,325.66 = 81,362.26/x - Step 3: Cross multiply
145,891.07x = 201,325.66 × 81,362.26 - Step 4: Simplify right side
145,891.07x = 16,380,310,741.84 - Step 5: Solve for x
x = 16,380,310,741.84/145,891.07 - Step 6: Final answer
x = 112,277.68
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1.5x scale
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.