Finding the Fourth Proportional to 378,329.28, 567,576.95 and 112,110.63
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Solution
The fourth proportional to 378,329.28, 567,576.95 and 112,110.63 is: 168,190.55
Step by Step Solution
- Step 1: Write the proportion equation
378,329.28 : 567,576.95 = 112,110.63 : x - Step 2: Convert to fraction form
378,329.28/567,576.95 = 112,110.63/x - Step 3: Cross multiply
378,329.28x = 567,576.95 × 112,110.63 - Step 4: Simplify right side
378,329.28x = 63,631,408,877.43 - Step 5: Solve for x
x = 63,631,408,877.43/378,329.28 - Step 6: Final answer
x = 168,190.55
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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.