Finding the Fourth Proportional to 149,752.26, 206,805.96 and 117,865.80
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Solution
The fourth proportional to 149,752.26, 206,805.96 and 117,865.80 is: 162,771.17
Step by Step Solution
- Step 1: Write the proportion equation
149,752.26 : 206,805.96 = 117,865.80 : x - Step 2: Convert to fraction form
149,752.26/206,805.96 = 117,865.80/x - Step 3: Cross multiply
149,752.26x = 206,805.96 × 117,865.80 - Step 4: Simplify right side
149,752.26x = 24,375,349,920.17 - Step 5: Solve for x
x = 24,375,349,920.17/149,752.26 - Step 6: Final answer
x = 162,771.17
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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.