Finding the Fourth Proportional to 103,634.05, 155,451.08 and 101,330.05
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Solution
The fourth proportional to 103,634.05, 155,451.08 and 101,330.05 is: 151,995.08
Step by Step Solution
- Step 1: Write the proportion equation
103,634.05 : 155,451.08 = 101,330.05 : x - Step 2: Convert to fraction form
103,634.05/155,451.08 = 101,330.05/x - Step 3: Cross multiply
103,634.05x = 155,451.08 × 101,330.05 - Step 4: Simplify right side
103,634.05x = 15,751,865,708.95 - Step 5: Solve for x
x = 15,751,865,708.95/103,634.05 - Step 6: Final answer
x = 151,995.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.