Finding the Fourth Proportional to 134,120.16, 201,201.12 and 40,603.68
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Solution
The fourth proportional to 134,120.16, 201,201.12 and 40,603.68 is: 60,911.84
Step by Step Solution
- Step 1: Write the proportion equation
134,120.16 : 201,201.12 = 40,603.68 : x - Step 2: Convert to fraction form
134,120.16/201,201.12 = 40,603.68/x - Step 3: Cross multiply
134,120.16x = 201,201.12 × 40,603.68 - Step 4: Simplify right side
134,120.16x = 8,169,505,892.12 - Step 5: Solve for x
x = 8,169,505,892.12/134,120.16 - Step 6: Final answer
x = 60,911.84
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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.