Finding the Fourth Proportional to 436,206.97, 654,310.68 and 136,710.88
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Solution
The fourth proportional to 436,206.97, 654,310.68 and 136,710.88 is: 205,066.39
Step by Step Solution
- Step 1: Write the proportion equation
436,206.97 : 654,310.68 = 136,710.88 : x - Step 2: Convert to fraction form
436,206.97/654,310.68 = 136,710.88/x - Step 3: Cross multiply
436,206.97x = 654,310.68 × 136,710.88 - Step 4: Simplify right side
436,206.97x = 89,451,388,856.20 - Step 5: Solve for x
x = 89,451,388,856.20/436,206.97 - Step 6: Final answer
x = 205,066.39
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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.