Finding the Fourth Proportional to 149,310.63, 206,048.66 and 82,242.63
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Solution
The fourth proportional to 149,310.63, 206,048.66 and 82,242.63 is: 113,494.82
Step by Step Solution
- Step 1: Write the proportion equation
149,310.63 : 206,048.66 = 82,242.63 : x - Step 2: Convert to fraction form
149,310.63/206,048.66 = 82,242.63/x - Step 3: Cross multiply
149,310.63x = 206,048.66 × 82,242.63 - Step 4: Simplify right side
149,310.63x = 16,945,982,881.74 - Step 5: Solve for x
x = 16,945,982,881.74/149,310.63 - Step 6: Final answer
x = 113,494.82
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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.