Finding the Fourth Proportional to 134,893.49, 202,340.10 and 40,123.28
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Solution
The fourth proportional to 134,893.49, 202,340.10 and 40,123.28 is: 60,184.88
Step by Step Solution
- Step 1: Write the proportion equation
134,893.49 : 202,340.10 = 40,123.28 : x - Step 2: Convert to fraction form
134,893.49/202,340.10 = 40,123.28/x - Step 3: Cross multiply
134,893.49x = 202,340.10 × 40,123.28 - Step 4: Simplify right side
134,893.49x = 8,118,548,487.53 - Step 5: Solve for x
x = 8,118,548,487.53/134,893.49 - Step 6: Final answer
x = 60,184.88
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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.