Finding the Fourth Proportional to 285,727.10, 394,373.81 and 169,539.08
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Solution
The fourth proportional to 285,727.10, 394,373.81 and 169,539.08 is: 234,005.71
Step by Step Solution
- Step 1: Write the proportion equation
285,727.10 : 394,373.81 = 169,539.08 : x - Step 2: Convert to fraction form
285,727.10/394,373.81 = 169,539.08/x - Step 3: Cross multiply
285,727.10x = 394,373.81 × 169,539.08 - Step 4: Simplify right side
285,727.10x = 66,861,771,375.47 - Step 5: Solve for x
x = 66,861,771,375.47/285,727.10 - Step 6: Final answer
x = 234,005.71
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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.