Finding the Fourth Proportional to 308,710.44, 463,059.99 and 84,067.47
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Solution
The fourth proportional to 308,710.44, 463,059.99 and 84,067.47 is: 126,099.66
Step by Step Solution
- Step 1: Write the proportion equation
308,710.44 : 463,059.99 = 84,067.47 : x - Step 2: Convert to fraction form
308,710.44/463,059.99 = 84,067.47/x - Step 3: Cross multiply
308,710.44x = 463,059.99 × 84,067.47 - Step 4: Simplify right side
308,710.44x = 38,928,281,817.53 - Step 5: Solve for x
x = 38,928,281,817.53/308,710.44 - Step 6: Final answer
x = 126,099.66
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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.