Finding the Fourth Proportional to 201,129.96, 301,733.84 and 76,461.24
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Solution
The fourth proportional to 201,129.96, 301,733.84 and 76,461.24 is: 114,706.65
Step by Step Solution
- Step 1: Write the proportion equation
201,129.96 : 301,733.84 = 76,461.24 : x - Step 2: Convert to fraction form
201,129.96/301,733.84 = 76,461.24/x - Step 3: Cross multiply
201,129.96x = 301,733.84 × 76,461.24 - Step 4: Simplify right side
201,129.96x = 23,070,943,556.36 - Step 5: Solve for x
x = 23,070,943,556.36/201,129.96 - Step 6: Final answer
x = 114,706.65
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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.