Finding the Fourth Proportional to 117,649.88, 162,356.49 and 63,934.91
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Solution
The fourth proportional to 117,649.88, 162,356.49 and 63,934.91 is: 88,229.99
Step by Step Solution
- Step 1: Write the proportion equation
117,649.88 : 162,356.49 = 63,934.91 : x - Step 2: Convert to fraction form
117,649.88/162,356.49 = 63,934.91/x - Step 3: Cross multiply
117,649.88x = 162,356.49 × 63,934.91 - Step 4: Simplify right side
117,649.88x = 10,380,247,576.07 - Step 5: Solve for x
x = 10,380,247,576.07/117,649.88 - Step 6: Final answer
x = 88,229.99
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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.