Finding the Fourth Proportional to 121,827.66, 182,457.63 and 118,464.54
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Solution
The fourth proportional to 121,827.66, 182,457.63 and 118,464.54 is: 177,420.79
Step by Step Solution
- Step 1: Write the proportion equation
121,827.66 : 182,457.63 = 118,464.54 : x - Step 2: Convert to fraction form
121,827.66/182,457.63 = 118,464.54/x - Step 3: Cross multiply
121,827.66x = 182,457.63 × 118,464.54 - Step 4: Simplify right side
121,827.66x = 21,614,759,207.44 - Step 5: Solve for x
x = 21,614,759,207.44/121,827.66 - Step 6: Final answer
x = 177,420.79
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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.