Finding the Fourth Proportional to 352,965.68, 486,873.24 and 209,622.32
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Solution
The fourth proportional to 352,965.68, 486,873.24 and 209,622.32 is: 289,148.50
Step by Step Solution
- Step 1: Write the proportion equation
352,965.68 : 486,873.24 = 209,622.32 : x - Step 2: Convert to fraction form
352,965.68/486,873.24 = 209,622.32/x - Step 3: Cross multiply
352,965.68x = 486,873.24 × 209,622.32 - Step 4: Simplify right side
352,965.68x = 102,059,498,114.72 - Step 5: Solve for x
x = 102,059,498,114.72/352,965.68 - Step 6: Final answer
x = 289,148.50
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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.