Finding the Fourth Proportional to 654,346.62, 981,492.12 and 205,057.58
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Solution
The fourth proportional to 654,346.62, 981,492.12 and 205,057.58 is: 307,577.65
Step by Step Solution
- Step 1: Write the proportion equation
654,346.62 : 981,492.12 = 205,057.58 : x - Step 2: Convert to fraction form
654,346.62/981,492.12 = 205,057.58/x - Step 3: Cross multiply
654,346.62x = 981,492.12 × 205,057.58 - Step 4: Simplify right side
654,346.62x = 201,262,394,008.81 - Step 5: Solve for x
x = 201,262,394,008.81/654,346.62 - Step 6: Final answer
x = 307,577.65
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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.