Finding the Fourth Proportional to 134,402.78, 201,604.17 and 40,908.53
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Solution
The fourth proportional to 134,402.78, 201,604.17 and 40,908.53 is: 61,362.80
Step by Step Solution
- Step 1: Write the proportion equation
134,402.78 : 201,604.17 = 40,908.53 : x - Step 2: Convert to fraction form
134,402.78/201,604.17 = 40,908.53/x - Step 3: Cross multiply
134,402.78x = 201,604.17 × 40,908.53 - Step 4: Simplify right side
134,402.78x = 8,247,330,236.57 - Step 5: Solve for x
x = 8,247,330,236.57/134,402.78 - Step 6: Final answer
x = 61,362.80
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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.