Finding the Fourth Proportional to 134,932.87, 202,363.98 and 40,137.55
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Solution
The fourth proportional to 134,932.87, 202,363.98 and 40,137.55 is: 60,195.82
Step by Step Solution
- Step 1: Write the proportion equation
134,932.87 : 202,363.98 = 40,137.55 : x - Step 2: Convert to fraction form
134,932.87/202,363.98 = 40,137.55/x - Step 3: Cross multiply
134,932.87x = 202,363.98 × 40,137.55 - Step 4: Simplify right side
134,932.87x = 8,122,394,365.45 - Step 5: Solve for x
x = 8,122,394,365.45/134,932.87 - Step 6: Final answer
x = 60,195.82
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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.