Finding the Fourth Proportional to 436,160.49, 654,240.05 and 136,664.06
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Solution
The fourth proportional to 436,160.49, 654,240.05 and 136,664.06 is: 204,995.88
Step by Step Solution
- Step 1: Write the proportion equation
436,160.49 : 654,240.05 = 136,664.06 : x - Step 2: Convert to fraction form
436,160.49/654,240.05 = 136,664.06/x - Step 3: Cross multiply
436,160.49x = 654,240.05 × 136,664.06 - Step 4: Simplify right side
436,160.49x = 89,411,101,447.60 - Step 5: Solve for x
x = 89,411,101,447.60/436,160.49 - Step 6: Final answer
x = 204,995.88
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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.