Finding the Fourth Proportional to 174,537.81, 261,792.09 and 69,328.53
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Solution
The fourth proportional to 174,537.81, 261,792.09 and 69,328.53 is: 103,986.99
Step by Step Solution
- Step 1: Write the proportion equation
174,537.81 : 261,792.09 = 69,328.53 : x - Step 2: Convert to fraction form
174,537.81/261,792.09 = 69,328.53/x - Step 3: Cross multiply
174,537.81x = 261,792.09 × 69,328.53 - Step 4: Simplify right side
174,537.81x = 18,149,660,765.33 - Step 5: Solve for x
x = 18,149,660,765.33/174,537.81 - Step 6: Final answer
x = 103,986.99
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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.