Finding the Fourth Proportional to 145,896.08, 201,338.12 and 82,233.88
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Solution
The fourth proportional to 145,896.08, 201,338.12 and 82,233.88 is: 113,483.62
Step by Step Solution
- Step 1: Write the proportion equation
145,896.08 : 201,338.12 = 82,233.88 : x - Step 2: Convert to fraction form
145,896.08/201,338.12 = 82,233.88/x - Step 3: Cross multiply
145,896.08x = 201,338.12 × 82,233.88 - Step 4: Simplify right side
145,896.08x = 16,556,814,799.51 - Step 5: Solve for x
x = 16,556,814,799.51/145,896.08 - Step 6: Final answer
x = 113,483.62
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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.