Finding the Fourth Proportional to 201,576.12, 302,391.98 and 68,420.63
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Solution
The fourth proportional to 201,576.12, 302,391.98 and 68,420.63 is: 102,640.37
Step by Step Solution
- Step 1: Write the proportion equation
201,576.12 : 302,391.98 = 68,420.63 : x - Step 2: Convert to fraction form
201,576.12/302,391.98 = 68,420.63/x - Step 3: Cross multiply
201,576.12x = 302,391.98 × 68,420.63 - Step 4: Simplify right side
201,576.12x = 20,689,847,924.48 - Step 5: Solve for x
x = 20,689,847,924.48/201,576.12 - Step 6: Final answer
x = 102,640.37
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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.