Finding the Fourth Proportional to 107,780.40, 161,593.80 and 41,194.80
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Solution
The fourth proportional to 107,780.40, 161,593.80 and 41,194.80 is: 61,762.85
Step by Step Solution
- Step 1: Write the proportion equation
107,780.40 : 161,593.80 = 41,194.80 : x - Step 2: Convert to fraction form
107,780.40/161,593.80 = 41,194.80/x - Step 3: Cross multiply
107,780.40x = 161,593.80 × 41,194.80 - Step 4: Simplify right side
107,780.40x = 6,656,824,272.24 - Step 5: Solve for x
x = 6,656,824,272.24/107,780.40 - Step 6: Final answer
x = 61,762.85
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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.