Finding the Fourth Proportional to 168,574.64, 232,415.94 and 120,231.68
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Solution
The fourth proportional to 168,574.64, 232,415.94 and 120,231.68 is: 165,764.90
Step by Step Solution
- Step 1: Write the proportion equation
168,574.64 : 232,415.94 = 120,231.68 : x - Step 2: Convert to fraction form
168,574.64/232,415.94 = 120,231.68/x - Step 3: Cross multiply
168,574.64x = 232,415.94 × 120,231.68 - Step 4: Simplify right side
168,574.64x = 27,943,758,343.94 - Step 5: Solve for x
x = 27,943,758,343.94/168,574.64 - Step 6: Final answer
x = 165,764.90
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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.