Finding the Fourth Proportional to 264,686.16, 396,805.92 and 114,813.62
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Solution
The fourth proportional to 264,686.16, 396,805.92 and 114,813.62 is: 172,123.56
Step by Step Solution
- Step 1: Write the proportion equation
264,686.16 : 396,805.92 = 114,813.62 : x - Step 2: Convert to fraction form
264,686.16/396,805.92 = 114,813.62/x - Step 3: Cross multiply
264,686.16x = 396,805.92 × 114,813.62 - Step 4: Simplify right side
264,686.16x = 45,558,724,112.63 - Step 5: Solve for x
x = 45,558,724,112.63/264,686.16 - Step 6: Final answer
x = 172,123.56
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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.