Finding the Fourth Proportional to 146,907.92, 202,699.56 and 83,231.12
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Solution
The fourth proportional to 146,907.92, 202,699.56 and 83,231.12 is: 114,840.04
Step by Step Solution
- Step 1: Write the proportion equation
146,907.92 : 202,699.56 = 83,231.12 : x - Step 2: Convert to fraction form
146,907.92/202,699.56 = 83,231.12/x - Step 3: Cross multiply
146,907.92x = 202,699.56 × 83,231.12 - Step 4: Simplify right side
146,907.92x = 16,870,911,402.31 - Step 5: Solve for x
x = 16,870,911,402.31/146,907.92 - Step 6: Final answer
x = 114,840.04
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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.