Finding the Fourth Proportional to 174,302.75, 261,564.73 and 74,463.70
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Solution
The fourth proportional to 174,302.75, 261,564.73 and 74,463.70 is: 111,742.79
Step by Step Solution
- Step 1: Write the proportion equation
174,302.75 : 261,564.73 = 74,463.70 : x - Step 2: Convert to fraction form
174,302.75/261,564.73 = 74,463.70/x - Step 3: Cross multiply
174,302.75x = 261,564.73 × 74,463.70 - Step 4: Simplify right side
174,302.75x = 19,477,076,277.48 - Step 5: Solve for x
x = 19,477,076,277.48/174,302.75 - Step 6: Final answer
x = 111,742.79
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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.