Finding the Fourth Proportional to 405,889.24, 560,284.18 and 363,373.96
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Solution
The fourth proportional to 405,889.24, 560,284.18 and 363,373.96 is: 501,596.65
Step by Step Solution
- Step 1: Write the proportion equation
405,889.24 : 560,284.18 = 363,373.96 : x - Step 2: Convert to fraction form
405,889.24/560,284.18 = 363,373.96/x - Step 3: Cross multiply
405,889.24x = 560,284.18 × 363,373.96 - Step 4: Simplify right side
405,889.24x = 203,592,681,211.95 - Step 5: Solve for x
x = 203,592,681,211.95/405,889.24 - Step 6: Final answer
x = 501,596.65
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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.