Finding the Fourth Proportional to 317,727.96, 438,463.44 and 174,497.28
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Solution
The fourth proportional to 317,727.96, 438,463.44 and 174,497.28 is: 240,805.62
Step by Step Solution
- Step 1: Write the proportion equation
317,727.96 : 438,463.44 = 174,497.28 : x - Step 2: Convert to fraction form
317,727.96/438,463.44 = 174,497.28/x - Step 3: Cross multiply
317,727.96x = 438,463.44 × 174,497.28 - Step 4: Simplify right side
317,727.96x = 76,510,677,659.44 - Step 5: Solve for x
x = 76,510,677,659.44/317,727.96 - Step 6: Final answer
x = 240,805.62
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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.