Finding the Fourth Proportional to 436,168.09, 654,251.32 and 136,671.63
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Solution
The fourth proportional to 436,168.09, 654,251.32 and 136,671.63 is: 205,007.19
Step by Step Solution
- Step 1: Write the proportion equation
436,168.09 : 654,251.32 = 136,671.63 : x - Step 2: Convert to fraction form
436,168.09/654,251.32 = 136,671.63/x - Step 3: Cross multiply
436,168.09x = 654,251.32 × 136,671.63 - Step 4: Simplify right side
436,168.09x = 89,417,594,334.05 - Step 5: Solve for x
x = 89,417,594,334.05/436,168.09 - Step 6: Final answer
x = 205,007.19
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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.