Finding the Fourth Proportional to 436,169.09, 654,252.82 and 136,672.63
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Solution
The fourth proportional to 436,169.09, 654,252.82 and 136,672.63 is: 205,008.69
Step by Step Solution
- Step 1: Write the proportion equation
436,169.09 : 654,252.82 = 136,672.63 : x - Step 2: Convert to fraction form
436,169.09/654,252.82 = 136,672.63/x - Step 3: Cross multiply
436,169.09x = 654,252.82 × 136,672.63 - Step 4: Simplify right side
436,169.09x = 89,418,453,594.32 - Step 5: Solve for x
x = 89,418,453,594.32/436,169.09 - Step 6: Final answer
x = 205,008.69
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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.