Finding the Fourth Proportional to 308,376.64, 462,739.94 and 121,519.36
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Solution
The fourth proportional to 308,376.64, 462,739.94 and 121,519.36 is: 182,347.99
Step by Step Solution
- Step 1: Write the proportion equation
308,376.64 : 462,739.94 = 121,519.36 : x - Step 2: Convert to fraction form
308,376.64/462,739.94 = 121,519.36/x - Step 3: Cross multiply
308,376.64x = 462,739.94 × 121,519.36 - Step 4: Simplify right side
308,376.64x = 56,231,861,355.24 - Step 5: Solve for x
x = 56,231,861,355.24/308,376.64 - Step 6: Final answer
x = 182,347.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.