Finding the Fourth Proportional to 126,383.28, 174,408.12 and 69,794.52
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Solution
The fourth proportional to 126,383.28, 174,408.12 and 69,794.52 is: 96,315.99
Step by Step Solution
- Step 1: Write the proportion equation
126,383.28 : 174,408.12 = 69,794.52 : x - Step 2: Convert to fraction form
126,383.28/174,408.12 = 69,794.52/x - Step 3: Cross multiply
126,383.28x = 174,408.12 × 69,794.52 - Step 4: Simplify right side
126,383.28x = 12,172,731,019.50 - Step 5: Solve for x
x = 12,172,731,019.50/126,383.28 - Step 6: Final answer
x = 96,315.99
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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.