Finding the Fourth Proportional to 149,891.68, 206,850.36 and 82,823.68
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Solution
The fourth proportional to 149,891.68, 206,850.36 and 82,823.68 is: 114,296.59
Step by Step Solution
- Step 1: Write the proportion equation
149,891.68 : 206,850.36 = 82,823.68 : x - Step 2: Convert to fraction form
149,891.68/206,850.36 = 82,823.68/x - Step 3: Cross multiply
149,891.68x = 206,850.36 × 82,823.68 - Step 4: Simplify right side
149,891.68x = 17,132,108,024.52 - Step 5: Solve for x
x = 17,132,108,024.52/149,891.68 - Step 6: Final answer
x = 114,296.59
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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.