Finding the Fourth Proportional to 405,888.24, 560,282.80 and 363,372.96
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Solution
The fourth proportional to 405,888.24, 560,282.80 and 363,372.96 is: 501,595.27
Step by Step Solution
- Step 1: Write the proportion equation
405,888.24 : 560,282.80 = 363,372.96 : x - Step 2: Convert to fraction form
405,888.24/560,282.80 = 363,372.96/x - Step 3: Cross multiply
405,888.24x = 560,282.80 × 363,372.96 - Step 4: Simplify right side
405,888.24x = 203,591,619,473.09 - Step 5: Solve for x
x = 203,591,619,473.09/405,888.24 - Step 6: Final answer
x = 501,595.27
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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.