Finding the Fourth Proportional to 134,254.92, 201,369.36 and 40,761.48
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Solution
The fourth proportional to 134,254.92, 201,369.36 and 40,761.48 is: 61,138.27
Step by Step Solution
- Step 1: Write the proportion equation
134,254.92 : 201,369.36 = 40,761.48 : x - Step 2: Convert to fraction form
134,254.92/201,369.36 = 40,761.48/x - Step 3: Cross multiply
134,254.92x = 201,369.36 × 40,761.48 - Step 4: Simplify right side
134,254.92x = 8,208,113,140.25 - Step 5: Solve for x
x = 8,208,113,140.25/134,254.92 - Step 6: Final answer
x = 61,138.27
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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.