Finding the Fourth Proportional to 102,135.21, 153,202.83 and 27,255.63
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Solution
The fourth proportional to 102,135.21, 153,202.83 and 27,255.63 is: 40,883.45
Step by Step Solution
- Step 1: Write the proportion equation
102,135.21 : 153,202.83 = 27,255.63 : x - Step 2: Convert to fraction form
102,135.21/153,202.83 = 27,255.63/x - Step 3: Cross multiply
102,135.21x = 153,202.83 × 27,255.63 - Step 4: Simplify right side
102,135.21x = 4,175,639,649.43 - Step 5: Solve for x
x = 4,175,639,649.43/102,135.21 - Step 6: Final answer
x = 40,883.45
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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.