Finding the Fourth Proportional to 216,798.36, 324,926.44 and 104,457.48
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Solution
The fourth proportional to 216,798.36, 324,926.44 and 104,457.48 is: 156,555.60
Step by Step Solution
- Step 1: Write the proportion equation
216,798.36 : 324,926.44 = 104,457.48 : x - Step 2: Convert to fraction form
216,798.36/324,926.44 = 104,457.48/x - Step 3: Cross multiply
216,798.36x = 324,926.44 × 104,457.48 - Step 4: Simplify right side
216,798.36x = 33,940,997,107.77 - Step 5: Solve for x
x = 33,940,997,107.77/216,798.36 - Step 6: Final answer
x = 156,555.60
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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.