Finding the Fourth Proportional to 446,072.99, 669,135.28 and 126,198.06
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Solution
The fourth proportional to 446,072.99, 669,135.28 and 126,198.06 is: 189,304.39
Step by Step Solution
- Step 1: Write the proportion equation
446,072.99 : 669,135.28 = 126,198.06 : x - Step 2: Convert to fraction form
446,072.99/669,135.28 = 126,198.06/x - Step 3: Cross multiply
446,072.99x = 669,135.28 × 126,198.06 - Step 4: Simplify right side
446,072.99x = 84,443,577,117.18 - Step 5: Solve for x
x = 84,443,577,117.18/446,072.99 - Step 6: Final answer
x = 189,304.39
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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.