Finding the Fourth Proportional to 283,528.91, 391,007.08 and 206,926.67
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Solution
The fourth proportional to 283,528.91, 391,007.08 and 206,926.67 is: 285,366.99
Step by Step Solution
- Step 1: Write the proportion equation
283,528.91 : 391,007.08 = 206,926.67 : x - Step 2: Convert to fraction form
283,528.91/391,007.08 = 206,926.67/x - Step 3: Cross multiply
283,528.91x = 391,007.08 × 206,926.67 - Step 4: Simplify right side
283,528.91x = 80,909,790,021.15 - Step 5: Solve for x
x = 80,909,790,021.15/283,528.91 - Step 6: Final answer
x = 285,366.99
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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.