Finding the Fourth Proportional to 285,842.39, 394,399.40 and 164,957.99
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Solution
The fourth proportional to 285,842.39, 394,399.40 and 164,957.99 is: 227,605.61
Step by Step Solution
- Step 1: Write the proportion equation
285,842.39 : 394,399.40 = 164,957.99 : x - Step 2: Convert to fraction form
285,842.39/394,399.40 = 164,957.99/x - Step 3: Cross multiply
285,842.39x = 394,399.40 × 164,957.99 - Step 4: Simplify right side
285,842.39x = 65,059,329,484.42 - Step 5: Solve for x
x = 65,059,329,484.42/285,842.39 - Step 6: Final answer
x = 227,605.61
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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.