Finding the Fourth Proportional to 174,503.77, 261,238.97 and 107,729.19
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Solution
The fourth proportional to 174,503.77, 261,238.97 and 107,729.19 is: 161,274.82
Step by Step Solution
- Step 1: Write the proportion equation
174,503.77 : 261,238.97 = 107,729.19 : x - Step 2: Convert to fraction form
174,503.77/261,238.97 = 107,729.19/x - Step 3: Cross multiply
174,503.77x = 261,238.97 × 107,729.19 - Step 4: Simplify right side
174,503.77x = 28,143,062,903.86 - Step 5: Solve for x
x = 28,143,062,903.86/174,503.77 - Step 6: Final answer
x = 161,274.82
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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.