Finding the Fourth Proportional to 201,353.21, 301,841.18 and 68,140.20
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Solution
The fourth proportional to 201,353.21, 301,841.18 and 68,140.20 is: 102,146.46
Step by Step Solution
- Step 1: Write the proportion equation
201,353.21 : 301,841.18 = 68,140.20 : x - Step 2: Convert to fraction form
201,353.21/301,841.18 = 68,140.20/x - Step 3: Cross multiply
201,353.21x = 301,841.18 × 68,140.20 - Step 4: Simplify right side
201,353.21x = 20,567,518,032.74 - Step 5: Solve for x
x = 20,567,518,032.74/201,353.21 - Step 6: Final answer
x = 102,146.46
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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.