Finding the Fourth Proportional to 264,135.24, 396,189.09 and 86,618.88
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Solution
The fourth proportional to 264,135.24, 396,189.09 and 86,618.88 is: 129,923.80
Step by Step Solution
- Step 1: Write the proportion equation
264,135.24 : 396,189.09 = 86,618.88 : x - Step 2: Convert to fraction form
264,135.24/396,189.09 = 86,618.88/x - Step 3: Cross multiply
264,135.24x = 396,189.09 × 86,618.88 - Step 4: Simplify right side
264,135.24x = 34,317,455,244.02 - Step 5: Solve for x
x = 34,317,455,244.02/264,135.24 - Step 6: Final answer
x = 129,923.80
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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.