Finding the Fourth Proportional to 190,511.73, 262,785.68 and 122,411.65
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Solution
The fourth proportional to 190,511.73, 262,785.68 and 122,411.65 is: 168,850.65
Step by Step Solution
- Step 1: Write the proportion equation
190,511.73 : 262,785.68 = 122,411.65 : x - Step 2: Convert to fraction form
190,511.73/262,785.68 = 122,411.65/x - Step 3: Cross multiply
190,511.73x = 262,785.68 × 122,411.65 - Step 4: Simplify right side
190,511.73x = 32,168,028,685.17 - Step 5: Solve for x
x = 32,168,028,685.17/190,511.73 - Step 6: Final answer
x = 168,850.65
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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.