Finding the Fourth Proportional to 107,346.24, 160,770.20 and 103,609.65
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Solution
The fourth proportional to 107,346.24, 160,770.20 and 103,609.65 is: 155,173.99
Step by Step Solution
- Step 1: Write the proportion equation
107,346.24 : 160,770.20 = 103,609.65 : x - Step 2: Convert to fraction form
107,346.24/160,770.20 = 103,609.65/x - Step 3: Cross multiply
107,346.24x = 160,770.20 × 103,609.65 - Step 4: Simplify right side
107,346.24x = 16,657,343,634.38 - Step 5: Solve for x
x = 16,657,343,634.38/107,346.24 - Step 6: Final answer
x = 155,173.99
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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.