Finding the Fourth Proportional to 307,843.70, 461,765.55 and 245,635.70
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Solution
The fourth proportional to 307,843.70, 461,765.55 and 245,635.70 is: 368,453.55
Step by Step Solution
- Step 1: Write the proportion equation
307,843.70 : 461,765.55 = 245,635.70 : x - Step 2: Convert to fraction form
307,843.70/461,765.55 = 245,635.70/x - Step 3: Cross multiply
307,843.70x = 461,765.55 × 245,635.70 - Step 4: Simplify right side
307,843.70x = 113,426,104,110.14 - Step 5: Solve for x
x = 113,426,104,110.14/307,843.70 - Step 6: Final answer
x = 368,453.55
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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.