Finding the Fourth Proportional to 405,837.41, 560,056.28 and 224,556.98
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Solution
The fourth proportional to 405,837.41, 560,056.28 and 224,556.98 is: 309,888.99
Step by Step Solution
- Step 1: Write the proportion equation
405,837.41 : 560,056.28 = 224,556.98 : x - Step 2: Convert to fraction form
405,837.41/560,056.28 = 224,556.98/x - Step 3: Cross multiply
405,837.41x = 560,056.28 × 224,556.98 - Step 4: Simplify right side
405,837.41x = 125,764,542,943.77 - Step 5: Solve for x
x = 125,764,542,943.77/405,837.41 - Step 6: Final answer
x = 309,888.99
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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.