Finding the Fourth Proportional to 352,595.21, 486,576.41 and 199,629.45
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Solution
The fourth proportional to 352,595.21, 486,576.41 and 199,629.45 is: 275,485.82
Step by Step Solution
- Step 1: Write the proportion equation
352,595.21 : 486,576.41 = 199,629.45 : x - Step 2: Convert to fraction form
352,595.21/486,576.41 = 199,629.45/x - Step 3: Cross multiply
352,595.21x = 486,576.41 × 199,629.45 - Step 4: Simplify right side
352,595.21x = 97,134,980,113.13 - Step 5: Solve for x
x = 97,134,980,113.13/352,595.21 - Step 6: Final answer
x = 275,485.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.