Finding the Fourth Proportional to 226,137.62, 339,195.50 and 85,885.31
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Solution
The fourth proportional to 226,137.62, 339,195.50 and 85,885.31 is: 128,823.82
Step by Step Solution
- Step 1: Write the proportion equation
226,137.62 : 339,195.50 = 85,885.31 : x - Step 2: Convert to fraction form
226,137.62/339,195.50 = 85,885.31/x - Step 3: Cross multiply
226,137.62x = 339,195.50 × 85,885.31 - Step 4: Simplify right side
226,137.62x = 29,131,911,408.74 - Step 5: Solve for x
x = 29,131,911,408.74/226,137.62 - Step 6: Final answer
x = 128,823.82
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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.