Finding the Fourth Proportional to 291,728.81, 402,584.25 and 169,245.96
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Solution
The fourth proportional to 291,728.81, 402,584.25 and 169,245.96 is: 233,558.55
Step by Step Solution
- Step 1: Write the proportion equation
291,728.81 : 402,584.25 = 169,245.96 : x - Step 2: Convert to fraction form
291,728.81/402,584.25 = 169,245.96/x - Step 3: Cross multiply
291,728.81x = 402,584.25 × 169,245.96 - Step 4: Simplify right side
291,728.81x = 68,135,757,872.13 - Step 5: Solve for x
x = 68,135,757,872.13/291,728.81 - Step 6: Final answer
x = 233,558.55
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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.