Finding the Fourth Proportional to 436,212.48, 654,317.88 and 136,716.12
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Solution
The fourth proportional to 436,212.48, 654,317.88 and 136,716.12 is: 205,073.92
Step by Step Solution
- Step 1: Write the proportion equation
436,212.48 : 654,317.88 = 136,716.12 : x - Step 2: Convert to fraction form
436,212.48/654,317.88 = 136,716.12/x - Step 3: Cross multiply
436,212.48x = 654,317.88 × 136,716.12 - Step 4: Simplify right side
436,212.48x = 89,455,801,800.23 - Step 5: Solve for x
x = 89,455,801,800.23/436,212.48 - Step 6: Final answer
x = 205,073.92
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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.