Finding the Fourth Proportional to 107,516.81, 161,294.68 and 44,301.78
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Solution
The fourth proportional to 107,516.81, 161,294.68 and 44,301.78 is: 66,460.69
Step by Step Solution
- Step 1: Write the proportion equation
107,516.81 : 161,294.68 = 44,301.78 : x - Step 2: Convert to fraction form
107,516.81/161,294.68 = 44,301.78/x - Step 3: Cross multiply
107,516.81x = 161,294.68 × 44,301.78 - Step 4: Simplify right side
107,516.81x = 7,145,641,483.91 - Step 5: Solve for x
x = 7,145,641,483.91/107,516.81 - Step 6: Final answer
x = 66,460.69
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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.