Finding the Fourth Proportional to 239,620.75, 330,676.64 and 133,636.75
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Solution
The fourth proportional to 239,620.75, 330,676.64 and 133,636.75 is: 184,418.72
Step by Step Solution
- Step 1: Write the proportion equation
239,620.75 : 330,676.64 = 133,636.75 : x - Step 2: Convert to fraction form
239,620.75/330,676.64 = 133,636.75/x - Step 3: Cross multiply
239,620.75x = 330,676.64 × 133,636.75 - Step 4: Simplify right side
239,620.75x = 44,190,551,470.52 - Step 5: Solve for x
x = 44,190,551,470.52/239,620.75 - Step 6: Final answer
x = 184,418.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.