Finding the Fourth Proportional to 306,950.60, 423,657.18 and 206,290.28
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Solution
The fourth proportional to 306,950.60, 423,657.18 and 206,290.28 is: 284,724.51
Step by Step Solution
- Step 1: Write the proportion equation
306,950.60 : 423,657.18 = 206,290.28 : x - Step 2: Convert to fraction form
306,950.60/423,657.18 = 206,290.28/x - Step 3: Cross multiply
306,950.60x = 423,657.18 × 206,290.28 - Step 4: Simplify right side
306,950.60x = 87,396,358,286.21 - Step 5: Solve for x
x = 87,396,358,286.21/306,950.60 - Step 6: Final answer
x = 284,724.51
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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.