Finding the Fourth Proportional to 334,483.21, 461,609.58 and 189,289.09
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Solution
The fourth proportional to 334,483.21, 461,609.58 and 189,289.09 is: 261,231.82
Step by Step Solution
- Step 1: Write the proportion equation
334,483.21 : 461,609.58 = 189,289.09 : x - Step 2: Convert to fraction form
334,483.21/461,609.58 = 189,289.09/x - Step 3: Cross multiply
334,483.21x = 461,609.58 × 189,289.09 - Step 4: Simplify right side
334,483.21x = 87,377,657,333.48 - Step 5: Solve for x
x = 87,377,657,333.48/334,483.21 - Step 6: Final answer
x = 261,231.82
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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.