Finding the Fourth Proportional to 321,701.09, 482,237.82 and 153,176.13
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Solution
The fourth proportional to 321,701.09, 482,237.82 and 153,176.13 is: 229,614.78
Step by Step Solution
- Step 1: Write the proportion equation
321,701.09 : 482,237.82 = 153,176.13 : x - Step 2: Convert to fraction form
321,701.09/482,237.82 = 153,176.13/x - Step 3: Cross multiply
321,701.09x = 482,237.82 × 153,176.13 - Step 4: Simplify right side
321,701.09x = 73,867,323,007.24 - Step 5: Solve for x
x = 73,867,323,007.24/321,701.09 - Step 6: Final answer
x = 229,614.78
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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.