Finding the Fourth Proportional to 264,232.99, 396,390.78 and 86,699.62
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Solution
The fourth proportional to 264,232.99, 396,390.78 and 86,699.62 is: 130,062.98
Step by Step Solution
- Step 1: Write the proportion equation
264,232.99 : 396,390.78 = 86,699.62 : x - Step 2: Convert to fraction form
264,232.99/396,390.78 = 86,699.62/x - Step 3: Cross multiply
264,232.99x = 396,390.78 × 86,699.62 - Step 4: Simplify right side
264,232.99x = 34,366,929,997.50 - Step 5: Solve for x
x = 34,366,929,997.50/264,232.99 - Step 6: Final answer
x = 130,062.98
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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.