Finding the Fourth Proportional to 323,801.84, 485,408.71 and 113,324.96
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Solution
The fourth proportional to 323,801.84, 485,408.71 and 113,324.96 is: 169,884.52
Step by Step Solution
- Step 1: Write the proportion equation
323,801.84 : 485,408.71 = 113,324.96 : x - Step 2: Convert to fraction form
323,801.84/485,408.71 = 113,324.96/x - Step 3: Cross multiply
323,801.84x = 485,408.71 × 113,324.96 - Step 4: Simplify right side
323,801.84x = 55,008,919,934.05 - Step 5: Solve for x
x = 55,008,919,934.05/323,801.84 - Step 6: Final answer
x = 169,884.52
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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.