Finding the Fourth Proportional to 372,254.96, 513,715.84 and 202,489.50
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Solution
The fourth proportional to 372,254.96, 513,715.84 and 202,489.50 is: 279,437.68
Step by Step Solution
- Step 1: Write the proportion equation
372,254.96 : 513,715.84 = 202,489.50 : x - Step 2: Convert to fraction form
372,254.96/513,715.84 = 202,489.50/x - Step 3: Cross multiply
372,254.96x = 513,715.84 × 202,489.50 - Step 4: Simplify right side
372,254.96x = 104,022,063,583.68 - Step 5: Solve for x
x = 104,022,063,583.68/372,254.96 - Step 6: Final answer
x = 279,437.68
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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.