Finding the Fourth Proportional to 405,438.41, 559,593.83 and 235,770.41
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Solution
The fourth proportional to 405,438.41, 559,593.83 and 235,770.41 is: 325,414.82
Step by Step Solution
- Step 1: Write the proportion equation
405,438.41 : 559,593.83 = 235,770.41 : x - Step 2: Convert to fraction form
405,438.41/559,593.83 = 235,770.41/x - Step 3: Cross multiply
405,438.41x = 559,593.83 × 235,770.41 - Step 4: Simplify right side
405,438.41x = 131,935,666,732.57 - Step 5: Solve for x
x = 131,935,666,732.57/405,438.41 - Step 6: Final answer
x = 325,414.82
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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.