Finding the Fourth Proportional to 109,778.24, 151,497.42 and 62,034.68
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Solution
The fourth proportional to 109,778.24, 151,497.42 and 62,034.68 is: 85,609.81
Step by Step Solution
- Step 1: Write the proportion equation
109,778.24 : 151,497.42 = 62,034.68 : x - Step 2: Convert to fraction form
109,778.24/151,497.42 = 62,034.68/x - Step 3: Cross multiply
109,778.24x = 151,497.42 × 62,034.68 - Step 4: Simplify right side
109,778.24x = 9,398,093,970.53 - Step 5: Solve for x
x = 9,398,093,970.53/109,778.24 - Step 6: Final answer
x = 85,609.81
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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.