Finding the Fourth Proportional to 138,600.68, 208,251.36 and 132,995.66
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Solution
The fourth proportional to 138,600.68, 208,251.36 and 132,995.66 is: 199,829.66
Step by Step Solution
- Step 1: Write the proportion equation
138,600.68 : 208,251.36 = 132,995.66 : x - Step 2: Convert to fraction form
138,600.68/208,251.36 = 132,995.66/x - Step 3: Cross multiply
138,600.68x = 208,251.36 × 132,995.66 - Step 4: Simplify right side
138,600.68x = 27,696,526,027.84 - Step 5: Solve for x
x = 27,696,526,027.84/138,600.68 - Step 6: Final answer
x = 199,829.66
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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.